Relevant bibliographies by topics / Hand comfort

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Hand comfort'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Hand comfort"

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Lee, Songil, Donghee Choi, Hyeeun Choi, Kitae Hwang, Seonghyeok Park, Minjoong Kim, Jihhyeon Yi, Si Jung Kim, and Gyouhyung Kyung*. "Determining ergonomic forms for rollable display devices." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 62, no. 1 (September 2018): 1017. http://dx.doi.org/10.1177/1541931218621234.

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Following commercialization of curved displays, foldable and rollable displays are under development. The rollable display should be unrolled first using a pulling motion to access the screen. The corresponding pulling force acting on the lateral grip (bezel) areas of the device should be higher than the spring force typically used for retracting the screen. The objective of the current study was to examine the effects of hand length and device thickness on the required lateral grip area sizes of the rollable display device and the grip comfort for the screen unrolling motion, and to ultimately determine the ergonomic bezel width and device thickness associated with high grip comfort. Thirty young individuals with the mean (SD) age of 22.1 (2.2) years participated in this study. All participants were recruited from a university population, right-handed, and healthy without any musculoskeletal diseases on their upper limbs. This study was a 3 (Hand length) × 3 (Device thickness) mixed factorial design. Hand length (HandS/M/L; between-subjects factor) consisted of HandS (short hand length; ≤162.5 mm, 10th percentile), HandM (medium hand length; 174.6–177.3 mm, 45th–55th percentile), and HandL (large hand length; ≥189.4 mm, 90th percentile). Device thickness (DeviceThin/Medium/Thick; within-subjects factor) consisted of DeviceThin (2 mm thick), DeviceMedium (6 mm thick), and DeviceThick (10 mm thick). Each of three rollable display device prototypes was comprised of Acrylonitrile Butadiene Styrene plastic panels, a roll of paper screen (to show a default screen), a roller, and a spring (to roll the screen). The thickness of the right side of the device was manipulated, whereas that of the left side was fixed at 10 mm to house the three parts described above (a rollable screen, a roller, and a spring). When fully unrolled, the sizes of each prototype and the screen were 140H × 300W × 2.5R (mm) and 130H × 260W (mm), respectively. The prototype was equally split into two sides, with each grip part (bezel) 20 mm wide. A 1 mm-interval grid image (130H × 20W (mm)) was attached to each bezel to measure the bezel area involved in gripping. The initial pulling force for unrolling the screen was 2.5N. A desk (150 × 60 × 73 cm) and a height-adjustable chair were used. First, participants unrolled and rolled the prototypes freely for five min to familiarize themselves with how to use the prototypes. A randomly assigned prototype was evaluated three times as follows. Each seated participant repeated unrolling and rolling motions with the assigned prototype until they found the most comfortable grip. While the screen was fully unrolled using the most comfortable grip, each grip area was photographed from four different directions. Then, each individual rated the grip comfort of each hand on a 100mm Visual Analogue Scale (0: Very uncomfortable, 100: Very comfortable). A paper-and-pencil method was used for comfort ratings. The entire procedure to evaluate the three prototypes required about 30 min per participant. Regardless of hand length, the width of the grip area from the device side edge was up to 20 mm. The mean (SD) height of the grip areas for HandS/M/L was 108.8 (3.1), 116.8 (2.5), 124.2 (2.3), respectively. Regardless of hand length, the lower end of the grip area reached the bottom of the device, while the upper end moved more upward with hand lengths. The thinner the device was, the smaller the difference in the grip areas was across the three hand-length groups. In addition, grip comfort increased with device thickness. When gripping a thinner object, the grip posture becomes more deviated from a relaxed hand posture to make more flexions of the thumb and fingers. The simple linear regression model for the left-hand grip comfort on the right-hand grip comfort was constructed (R2 = 0.68 and p-values <0.001): Y(left-hand grip comfort)=23.1+0.74×X(right-hand grip comfort) This regression model indicates that the two grip comfort ratings were positively correlated. In addition, the right-hand grip comfort ratings were lower than the left-hand grip comfort ratings. The mean (SD) comfort ratings for the left and right hands were 75.1 (19.2) and 78.6 (17.3), respectively, with p-value for a paired t-test < 0.001. Thus, device thickness appears to be an important design dimension that influences the grip comfort associated with screen unrolling. There are some limitations in the current study. First, the initial pulling force required for screen unrolling was fixed at 2.5N. The screen unrolling motion involves external rotation of the shoulders. To the authors’ knowledge, no study has investigated an ergonomic force range for this motion. Second, some measurement errors may have been involved in manually identifying the grip area based on the photographs. Using touch sensors would provide more accurate and faster measurements. Finally, it is necessary to analyze the grip areas more in detail. The current study investigated the effects of hand length and device thickness on the grip area and the grip comfort of each hand for rollable display devices. The findings suggested that regardless of hand length, the side bezel of a rollable display device should be at least 20 mm wide and the device should be sufficiently thick (preferably 10 mm thick) to ensure high grip comfort. These findings will be useful when designing ergonomic rollable display devices with high grip comfort.
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Kuijt-Evers, L. F. M., L. Groenesteijn, M. P. de Looze, and P. Vink. "Identifying factors of comfort in using hand tools." Applied Ergonomics 35, no. 5 (September 2004): 453–58. http://dx.doi.org/10.1016/j.apergo.2004.04.001.

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Geng, Shi Bin, Yong Li, Xu Han, and Yong Hua Liu. "Thermal Comfort Model for Underground Engineering of China." Advanced Materials Research 516-517 (May 2012): 1214–18. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1214.

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Chinese territory is vast, on one hand, the underground engineering distributes extensively, the weather condition is quite different from different regions; on the other hand, the various factors impacting the thermal parameters are different from surface engineering. The way of traditional design temperature was very limited, it was very necessity to explored the rational thermal comfort model. The theory related to thermal comfort was studied, especially focusing on adaptive thermal comfort model. Based on the analysis of factors influencing thermal comfort and research of some engineering, the thermal comfort model for the protective engineering was proposed and its rationality and energy saving effect were explored.
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Yi, Jihhyeon, Sungryul Park, Juah Im, Seonyeong Jeon, and Gyouhyung Kyung. "Effects of display curvature and hand length on smartphone usability." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 61, no. 1 (September 2017): 1054–57. http://dx.doi.org/10.1177/1541931213601868.

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The purpose of this study was to examine the effects of display curvature and hand length on smartphone usability, which was assessed in terms of grip comfort, immersive feeling, typing performance, and overall satisfaction. A total of 20 younger individuals with the mean (SD) age of 20.8 (2.4) yrs were divided into three hand-size groups (small: 8, medium: 6, large: 6). Two smartphones of the same size were used – one with a flat display and the other with a side-edge curved display. Three tasks (watching video, calling, and texting) were used to evaluate smartphone usability. The smartphones were used in a landscape mode for the first task, and in a portrait mode for the other two. The flat display smartphone provided higher grip comfort during calling (p = 0.008) and texting (p = 0.006) and higher overall satisfaction (p = 0.0002) than the curved display smartphone. The principal component regression (adjusted R2 = 0.49) of overall satisfaction on three principal components comprised of the remaining measures showed that the first principal component on grip comfort was more important than the other two on watching experience and texting performance. It is thus necessary to carefully consider the effect of display curvature on grip comfort when applying curved displays to hand-held devices such as smartphones.
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Lee, Songil, Gyouhyung Kyung, Minjoong Kim, Donghee Choi, Hyeeun Choi, Kitae Hwang, Seonghyeok Park, Su Young Kim, and Seungbae Lee. "Shaping Rollable Display Devices: Effects of Gripping Condition, Device Thickness, and Hand Length on Bimanual Perceived Grip Comfort." Human Factors: The Journal of the Human Factors and Ergonomics Society 62, no. 5 (July 2, 2019): 770–86. http://dx.doi.org/10.1177/0018720819855225.

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Objective To examine the effects of the gripping condition, device thickness, and hand length on bimanual perceived grip comfort associated with unrolling hand-held rollable screens. Background Rollable displays can be rolled and unrolled to change screen size. Although diverse rollable display device concepts have been suggested, little is known regarding ergonomic forms for comfortable screen unrolling. Method Thirty young individuals (10 in each hand-length group) evaluated three rollable display device prototypes in three gripping conditions (no restriction on using side bezels, minimal use of side bezels, and restriction on the gripping type). Prototypes differed in their right-side thickness (2, 6, and 10 mm). Side bezel regions grasped during screen unrolling and corresponding bimanual grip comfort ratings were obtained. Results To improve perceived grip comfort and accommodate user-preferred gripping methods, rollable display devices should be 6 mm (preferably 10 mm) thick (vs. 2 mm) and have at least 20-mm-wide side bezels. Relative to device thickness, gripping conditions were more influential on grip comfort ratings. The “no restriction” condition improved grip comfort ratings and strengthened bimanual coupling in terms of grip comfort ratings. Conclusion Contrary to current smartphone trends toward thinner and bezel-less designs, hand-held rollable display devices should be sufficiently thick and have sufficiently wide side bezels for screen unrolling. Application Hand-held rollable display devices should be 6- or preferably 10-mm thick (vs. 2 mm) and have at least 20-mm-wide side bezels to ensure higher perceived grip comfort during bilateral screen unrolling.
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Bell, Michael Sg, and Bert J. Reitsma. "Solo Hand Surgery." Canadian Journal of Plastic Surgery 13, no. 3 (August 2005): 145–47. http://dx.doi.org/10.1177/229255030501300306.

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Unassisted hand surgery is being undertaken by necessity for both elective and emergency cases, due to hospital resource restrictions. The authors outline the principles of local anesthesia, surgeon-controlled tourniquet techniques, and a number of new instruments which allow a surgeon to work in comfort and safety, unassisted. The traditional surgical instruments designed for the days when trained surgical assistants were available to hold them are no longer suitable. We are entering a new era of surgical design with safer instruments that can complement our skills rather than challenge them. There are significant cost savings and efficiency when hand procedures are undertaken in the emergency and outpatient clinic settings.
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Brajkovic, Dragan, Michel B. Ducharme, and John Frim. "Influence of localized auxiliary heating on hand comfort during cold exposure." Journal of Applied Physiology 85, no. 6 (December 1, 1998): 2054–65. http://dx.doi.org/10.1152/jappl.1998.85.6.2054.

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There is a need for a hand-heating system that will keep the hands warm during cold exposure without hampering finger dexterity. The purpose of this study was to examine the effects of torso heating on the vasodilative responses and comfort levels of cooled extremities during a 3-h exposure to −15°C air. Subjects were insulated, but their upper extremities were left exposed to the cold ambient air. The effect of heating the torso [torso-heating test (THT)] on hand comfort was compared with a control condition in which no torso heating was applied, but Arctic mitts were worn [control test (CT)]. The results indicate that mean finger temperature, mean finger blood flow, mean toe temperature, mean body skin temperature, body thermal comfort, mean finger thermal comfort, and rate of body heat storage were all significantly ( P< 0.05) higher on average ( n = 6) during THT. Mean body heat flow was significantly ( P < 0.05) lower during THT. There were no significant differences ( P ≥ 0.05) in rectal temperature between CT and THT. Mean unheated body skin temperature and mean unheated body heat flow (both of which did not include the torso area in the calculation of mean body skin temperature and mean body heat flow) were also calculated. There were no significant differences ( P ≥ 0.05) in mean unheated body skin temperature and mean unheated body heat flow between CT and THT. It is concluded that the application of heat to the torso can maintain finger and toe comfort for an extended period of time during cold exposure.
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ARIMOTO, Ryosuke, Masato ITO, Kazuki HOKARI, Jonas A. PRAMUDITA, Satoshi NODA, and Yuji TANABE. "Development of Hand Finite Element Model for Gripping Comfort Evaluation." Proceedings of the Bioengineering Conference Annual Meeting of BED/JSME 2018.30 (2018): 1E07. http://dx.doi.org/10.1299/jsmebio.2018.30.1e07.

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Kuijt-Evers, LFM, J. Twisk, L. Groenesteijn, MP de Looze, and P. Vink. "Identifying predictors of comfort and discomfort in using hand tools." Ergonomics 48, no. 6 (May 15, 2005): 692–702. http://dx.doi.org/10.1080/00140130500070814.

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Kolcaba, Katharine, Victoria Schirm, and Richard Steiner. "Effects of Hand Massage on Comfort of Nursing Home Residents." Geriatric Nursing 27, no. 2 (March 2006): 85–91. http://dx.doi.org/10.1016/j.gerinurse.2006.02.006.

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Dissertations / Theses on the topic "Hand comfort"

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Brajkovic, Dragan. "Effect of direct and indirect hand heating on hand comfort and finger dexterity during cold exposure." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ45654.pdf.

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Iserson, Kenneth V. "Glove and mitten protection in extreme cold weather: an Antarctic study." CO-ACTION PUBLISHING, 2017. http://hdl.handle.net/10150/622383.

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Background: Myths, misconceptions and a general lack of information surround the use of gloves and mittens in extreme cold environments. Objective. This study assessed how well an assortment of gloves and mittens performed in a very cold environment. Methods. A convenience sample of gloves and mittens were tested in Antarctica during the winter of 2016 using a calibrated thermometer (range: -148 degrees F to +158 degrees F/-1008C to +70 degrees C) three times over a 0.5-mile distance (similar to 20 minutes). A small sensor on a 10-foot-long cable was taped to the radial surface of the distal small finger on the non-dominant hand. The tested clothing was donned over the probe, the maximum temperature inside the glove/mitten was established near a building exit (ambient temperature approximately 54 degrees F/12 degrees C), and the building was exited, initiating the test. The hand was kept immobile during the test. Some non-heated gloves were tested with chemical heat warmers placed over the volar or dorsal wrist. Results. The highest starting (96 degrees F/36 degrees C) and ending (82 degrees F/28 degrees C) temperatures were with electrically heated gloves. The lowest starting temperature was with electrically heated gloves with the power off (63 degrees F/17 degrees C). Non-heated gloves with an inserted chemical hand warmer had the lowest minimum temperature (33 degrees F/1 degrees C). Maximum temperatures for gloves/mittens did not correlate well with their minimum temperature. Conclusions. Coverings that maintained finger temperatures within a comfortable and safe range (at or above 59 degrees F/15 degrees C) included the heated gloves and mittens (including some with the power off) and mittens with liners. Mittens without liners (shell) generally performed better than unheated gloves. Better results generally paralleled the item's cost. Inserting chemical heat warmers at the wrist increased heat loss, possibly through the exposed area around the warmer.
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Björk, Emma. "Hand i hand mot gemenskap : Invånares deltagande för trygghet och relationsskapande i ett “särskilt utsatt område”." Thesis, Linköpings universitet, Institutionen för kultur och samhälle, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-163296.

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Den här uppsatsen har för avsikt att undersöka vad invånares samhällsengagemang i ett ”särskilt utsatt område” i form av trygghetsvandringar och samrådsmöten kan säga om integration. Genom etnografiskt fältarbete och deltagande observation ämnar studien fånga deltagarnas perspektiv på sitt engagemang, undersöka vad engagemanget har för inverkan på lokalsamhället och invånarnas känsla av trygghet, samt vad samhällsdeltagandet och dess inverkan kan säga om integration. Det empiriska materialet analyseras och diskuteras utifrån relevanta teorier om gemenskap, sociala gränser, trygghet samt social respektive strukturell integration. Invånarnas verksamhet och engagemang syftar till att öka tryggheten i stadsdelen, och skapar parallellt ett forum för språkövande och personliga möten över sociala och etniska gränser. Relationsskapandet bland invånare i stadsdelen tycks i sig indirekt leda till ökad trygghet, samt en känsla av gemenskap. Strukturella faktorer på makronivå uppenbarar sig emellertid som barriärer för invånarnas deltagande och delaktighet i en övergripande samhällelig och nationell gemenskap.
The aim of this thesis is to examine what residents’ community participation by way of local night patrol for social reassurance and community meetings in a “deprived neighborhood” has to say about integration. Through ethnographic field study and participant observation the study aims to capture the participants’ perspective of the participation, examine what impact the engagement has on the local community as well as what the affects and participation has to say about integration. The empirical material is analyzed and discussed from the basis of relevant theories of community, social boundaries, social reassurance as well as structural respectively social integration. The engagement of the residents aims to increase the feeling of social security and reassurance in the local community, and parallelly it creates forum for language practice and social encounters that goes beyond social and ethnic boundaries. The increasement of personal relationships seems to indirectly lead to a higher level of social reassurance as well as a feeling of solidarity in the community. Structural factors on a macro level, however, seems to work as barriers for the residents’ participation and involvement in a general societal and national fellowship and community.
الهدف من هذا الأنشاء هو الوصول لكيفية تأثير اهتمام المواطنين لحالة المجتمع في " الضاحيه الخاضعة للأستضعاف الخاص عن طريق التجول لتأمين الأمان ولقائات التشاورية على موظوع الاندماج العرقي   عن طريق استخدام التكنيك للادراسات العليا التي يتم عن طريق الحضور في المكان المناسب للمشاركه الشخصيه والأنتباه المباشر على طريقة اشتراك واهتمام المواطنين لفهم جدية اهتمامهم وتأثير هذا الاهتمام لحصول المواطنين على المزيد بلاحساس بلأمان وكيف يؤدي هذا لفهم حالة الاندماج العرقي                                                                                                                                 المواد التي تحصل عن طريق التجربة تدرس وتناقش عن طريق نضريات وثيقة الصل .التحديات الأجتماعيه،الأمان والاندماج العرقي الاجتماعي التركيبي بموضوع المشاركه هدف اهتمام وعمل المواطنين هو توفير الأمان الأكثر في ضواحي المدينه وإيجاد امكان الغه ولقائات                                                           .اجتماعيه خارجه عن المعدوديات العرقي     بناء العلاقات مابين المواطنين في الضواحي تؤدي بطريقه غير مباشرة على مزيد من الأمان .وإحساس المشاركه العوامل الأنشائيه الغير قادرة للتغير تظهر وتؤدي الى ايجاد حواجز أمام حضور ومساهمة .المواطنين للمشاركة الوطنية
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Escobar, Velásquez Karla, Silvera Mónica Yulissa Gutiérrez, Pinzón Luis Alberto Rosales, and Carrera Irma Jeaniffer Meylin Valdivia. "Loncherita Free Hands." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/626062.

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El negocio presentado consiste en la elaboración de una lonchera desplegable con su complemento que son envases de material biodegradable, son productos que cumplen los estándares de calidad y contribuyen al medio ambiente, que brindan la facilidad de transportar los alimentos de un lugar a otro, sin llevar tantas cosas en las manos y puedan continuar con la rutina diaria con satisfacción. Estos productos serán mostrados a través de nuestra página web, radio y redes sociales. Toda esta gestión será supervisada por los perfiles de puestos idóneos para cada actividad dentro de la empresa, que fueron seleccionados a gran detalle para evitar falencias y/o incidentes a futuro en los procesos internos de la empresa. La inversión estimada para iniciar las operaciones en la empresa será S/ 444,814.38 soles, esto permitirá implementar la creación de la página Web y cubrir los gastos de marketing, iniciando de esta manera la elaboración y comercialización de los productos y con esto obtener una proyección de ventas favorable durante los 05 primeros años. Los emprendedores aportaran el 40% del capital, pero se necesitará de inversión externa para cubrir el otro 60%. Donde se le retribuirá al inversionista una rentabilidad de 13% anual y una participación del 2% de las ventas para el segundo año. El equipo de emprendedores está integrado por 4 futuros egresados de la Universidad Peruana de Ciencias aplicadas, todos con experiencia en diferentes campos empresariales sobre las cuales se apoya y recae este proyecto innovador y rentable que le facilitara la vida a muchas personas.
The presented business consists in the elaboration of a folding lunchbox with its complement that are containers of Eco-friendly material, they are products that meet quality standards and contribute to the environment, which provide the facility to transport food from one place to another, without carry so many things in your hands and can continue with the daily routine with satisfaction. These products will be shown through our website, radio and social networks. All this management will be supervised by the profiles of suitable positions for each activity within the company, which were selected in great detail to avoid failures and / or future incidents in the internal processes of the company. The estimated investment to start operations in the company will be S / 444,814.38 soles, this will allow the implementation of the website and cover the marketing expenses, thus initiating the preparation and marketing of the products and thus obtaining a projection of favorable sales during the first 5 years. Entrepreneurs will contribute 40% of the capital, but external investment will be needed to cover the other 60%. Where the investor will be rewarded with a 13% annual return and a 2% share of sales for the second year. The team of entrepreneurs is composed of 4 future graduates of the Universidad Peruana de Ciencias Aplicadas, all with experience in different business fields on which this innovative and profitable project is based and which will make life easier for many people.
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Nakano, Junta. "Evaluation of thermal comfort in semi-outdoor environment = Han okugai kankyō ni okeru netsuteki kaitekisei hyōka ni kansuru kenkyū /." Electronic version of text Electronic version of summary Electronic version of examination, 2003. http://www.wul.waseda.ac.jp/gakui/honbun/3534/.

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Roote, Christonie St Martin. "Comfort factors, moral fantasy and social criticism in formulaic fiction : a study of literary formulas with particular reference to the 'hard-boiled' detective story." Master's thesis, University of Cape Town, 1998. http://hdl.handle.net/11427/17941.

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The so-called 'hard-boiled' detective story is probably one of the most successful formulaic fictive patterns to be developed this century; and has been translated very effectively into popular film and television drama. Its founding fathers are normally deemed to be Dashiell Hammett, Raymond Chandler and Ross Macdonald. A study of their works should provide a valuable insight into the structure of their patterns and how they are made to work to the public's satisfaction. After all, the one indisputable and verifiable matter in the whole business is that these sort of texts appeal to great numbers of people who read them because they enjoy reading them. Some of the interesting questions thus revolve around the issue of why these fictions are so well liked. However, a study of literary formulas assumes the necessity of demonstrating what those particular formulas are. There are three predominating structures which, to my mind, build this kind of fiction into its finished shape. Firstly, there are the comfort factors which offer the reader a sense of security. Secondly, there is their sense of moral fantasy which allows the reader to escape from the confines of their everyday lives. And thirdly, in the best of these works, there is some element of the new and/or the unconventional, often in the form of social and political criticism encapsulated within the safe formulas of the text. This adds the necessary spice to the life of the construct.
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Chen, Tzu Fu, and 陳子夫. "The Effect of Pressure and Comfort with Hand to the Shape of Hand-Held Handle." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/95243629598438176060.

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碩士
國立高雄應用科技大學
工業工程與管理系碩士班
96
This carries on the discussion in view of the hand pressure value, divides the hand seven regions (region 1 to refer for the thumb metacarpal bone with far a row of carpal bone, region 2 refers for small finger metacarpal bone and a near side row of carpal bone, region 3 for metacarpal bone and phalanx joint place, near knuckle ~ far knuckle classification to region 4~ region 6, but the thumb for region 7), discovers in seven regions the main withstanding pressure region to carry on the pressure research analysis. When pressure research for portable 2 kilograms heavy items, in 6 kind of different modeling handles (its serial number 1-6, 1-2 is straight, 3-4 wave, 5-6 floats raised) under, discovers the region four near knuckles (little finger near knuckle, ring finger near knuckle, middle finger near knuckle, index finger near knuckle) center the pressure withstands the biggest finger near knuckle, and why discusses various handles the pressure size and the relative quite ideal handle modeling which produces regarding the hand. This research has 6 measuring, all conforms to the human body idea to measure the information bank mean value ±10mm (hand length, hand width, palm of the hand length and the index finger length), uses PPS (Pressure Profile Systems) C500 to carry on the pressure, its conclusion as follows: (1) In seven regions, the region four withstands the region for the main pressure. (2) The region four knuckles pressures value all can have regarding the different handle baldly the difference, knew the handle modeling is different indeed is can affect the pressure value. (3) The region four middle fingers near knuckles all withstand the most tremendous pressure value in each handle, will study when in the future or will design the handle, should take the middle finger near knuckle as the important target. (4) The handle 5 (floats raised also has wave design) is the pressure bears slightly in the use, but the pressure slightly speaking of the hand is relative more comfortable, also jumps over is not easy to cause the damage, this design is in six handles the best design. (5) Besides handle 1 (straight) in little finger pressure value biggest, other fingers in the handle 2 (are straight) have the most tremendous pressure value, relatively can jump over not comfortably, therefore the handle design, avoids using the straight handle as far as possible.
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ZENG, JIAN-MIN, and 曾建閔. "Effects of Handbag Width and Material on Hand Pressure Force and Comfort." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/67242128548875973641.

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碩士
聖約翰科技大學
工業工程與管理系碩士班
99
The hand bags on the market are variety, and each of them has own characteristics. Most people only concern the color and shape when choosing the hand bags and they ignore whether it may cause discomfort and even hurt users′ hands after a long period use or not. Previous studies have shown that improper posture or excessive force that sustained a long period can cause carpal tunnel syndrome and cumulative trauma of hand bones.Some scholars had research of the bag handle shape, therefore this study focused on the relationships among handle materials, hand grip diameter and hand pressure. According to the previous researches the best grip span is 7-7.5 cm, and the most comfortable grip diameter is 5 cm for the column grip. This research set the range of the grip span within 7 cm. During the experiment, the first of all the preliminary trial was proceeded with 3 subjects. Ten different grip materials were needed from the market, and in formal experiment, this research adopted the pressure distribution measurement system to find out the significance from five materials which were chosen by preliminary trial. Twelve subjects were invited from St. John's University, and the experiment was proceeded in the constant temperature laboratory. The students who participated in this experiment were needed to be none of any disease history related with hands. They were also clearly informed about the experiment content and process before proceeding in this experiment. Bag weight was set to be 3 Kg. For controlling of the constant weight, the different handle materials were used to carry the same bag. The total trials were lasted 360 minutes and the students needed to fill out a subjective questionnaire after the experiment. The experimental data was inputted and sorted by Excel to analyze the data for understanding what kind of material was the most suitable, and it could the minimize the hand pressure. The result of this study reveals that the 3cm- aluminum material is the minimum of pressure value. Aluminum is one kind of soft material that has certain supportive, that it can fit to the curvature of the fingers and attach well to the palm to spread the pressure to be even. Smaller hand pressure should be felt more comfortable when carrying hand bags and should cause less cumulative trauma to hands.
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Tai-ShunHuang and 黃泰舜. "Analysis and improvement of hand comfort during using the touch screen mobile phone." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/43308721137640473321.

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Books on the topic "Hand comfort"

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Trimberger, Carol. Hand-me-down recipes of comfort and joy: Family recipes to remember & share. Appleton, WI: Trim B's Restaurant, 1997.

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Barnes, Emilie. Safe in the Father's hands: Knowing God's comfort. Eugene, Or: Harvest House Publishers, 2001.

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Shi ji na hang: 67 wei xing un wei an fu shi lu. Beijing Shi: Zhong gong dang shi chu ban she, 2008.

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Healing in His hands: A collection of poems bringing comfort to the brokenhearted. Mequon, WI: Anderine Pub., 1996.

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Naesyŏnŏllijŭm ŭi t'ŭmsae esŏ: Wianbu munje rŭl ponŭn tto hana ŭi sigak. P'aju-si: Hanul, 2012.

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Kŭdŭl ŭn wae Ilbon'gun 'wianbu' rŭl konggyŏk hanŭn'ga: Kangje yŏnhaeng, Kono tamhwa, kungmin kigŭm ŭl tullŏssan nonjaeng ŭi haeksim ŭl mal handa. Sŏul-si: Humanist, 2014.

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Pyle, Howard. Otto of the Silver Hand [EasyRead Comfort Edition]. ReadHowYouWant.com, 2006.

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Hand-Me-Down Recipes of Comfort and Joy Recipe Cards. Amherst Press (WI), 1999.

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The Hand of God: The Comfort of Having a Sovereign God. Banner of Truth, 2006.

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Buttikusha and Hamanaka Kabushiki Kaisha, eds. Aki fuyu no teami: Haimisesu no nitto = Fall, winter hand knits with elegance and comfort. Tōkyō: Butikkusha, 2002.

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Book chapters on the topic "Hand comfort"

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Gust, Peter, and Aydin Ünlü. "Digital Hand Model for Grip Comfort Evaluation." In Ergonomics in Design Methods & Techniques, 183–94. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315367668-13.

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Kuijt-Evers, Lottie F. M. "The Design of Artisans’ Hand Tools: Users’ Perceived Comfort and Discomfort." In International Handbook of Occupational Therapy Interventions, 167–77. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-75424-6_15.

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Gluck, Carol. "What the World Owes the Comfort Women." In Entangled Memories in the Global South, 73–104. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57669-1_4.

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AbstractThe women who served in Japan’s military brothels across Asia during the Second World War are a focus of the politics of memory in East Asia as well as a touchstone for international human rights and sexual violence against women. By the 1990s, the “comfort women” had become a “traveling trope,” which like the Holocaust, both recognized and transcended its original time and place. Gluck traces their “coming into memory” through changes in five areas of the evolving postwar “global memory culture”: law, testimony, rights, politics, and notions of responsibility. She shows how the ideas and practices of public memory changed over time, in the course of which the comfort women became “global victims” in a transnational memoryscape.
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F˦revik, Hilde, Kristin Ulven Jørgensen, and Randi Eidsmo Reinertsen. "The effect of cold immersion on hands with different types of hand protection." In Environmental Ergonomics - The Ergonomics of Human Comfort, Health and Performance in the Thermal Environment, 157–61. Elsevier, 2005. http://dx.doi.org/10.1016/s1572-347x(05)80027-8.

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"Designing Handles of Hand Tools in the Aspect of Comfort and Safety." In Ergonomics For People With Disabilities, 57–74. Sciendo, 2018. http://dx.doi.org/10.2478/9783110617832-006.

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Blackmore, R. D. "Chapter XXXV: Ruth is not like Lorna." In Lorna Doone. Oxford University Press, 2008. http://dx.doi.org/10.1093/owc/9780199537594.003.0037.

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ALTHOUGH by our mother’s reluctant consent a large part of the obstacles between Annie and her lover appeared to be removed, on the other hand Lorna and myself gained little, except as regarded comfort of mind, and some ease to the conscience. Moreover, our chance...
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House, James R., and Michael J. Tipton. "Heat strain is reduced at different rates with hand, foot, forearm or lower leg cooling." In Environmental Ergonomics - The Ergonomics of Human Comfort, Health and Performance in the Thermal Environment, 91–95. Elsevier, 2005. http://dx.doi.org/10.1016/s1572-347x(05)80016-3.

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Gruenewald, David A. "Institutional Issues." In Voluntarily Stopping Eating and Drinking, edited by Timothy E. Quill, Paul T. Menzel, Thaddeus M. Pope, and Judith K. Schwarz, 229–40. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780190080730.003.0012.

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Increasingly, older adults wishing to avoid prolonged dying with dementia are completing advance directives to limit oral nutrition and hydration (ONH) in advanced dementia, but resistance to implementing these directives has arisen within the professional long-term care (LTC) community. Some “dementia directives” call for withholding or withdrawing assisted hand-feeding when specific thresholds are met during dementia’s progression. “Comfort feeding only” (CFO) has been suggested as a best practice in advanced dementia, but CFO may not be sufficient for those wishing to hasten death when advanced dementia develops. Of concern, some LTC facility residents desiring comfort-focused care may be harassed or coaxed to eat and drink by staff as part of “basic care.” It may be possible to identify areas of shared understanding between older people who fear living in advanced dementia and staff who find meaning in caring for demented people who appear to accept or even enjoy ONH.
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"Repulse to Igloolik – hard start." In Cold Comfort, 67–79. MQUP, 1996. http://dx.doi.org/10.2307/j.ctt130hhgm.15.

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Anggraeni, Adilla, and Meyliza Thorina. "The Effect of Room Service, Comfort, and Reservation Process on The Performance Dimension Evaluation." In Destination Management and Marketing, 122–33. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2469-5.ch009.

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As Indonesian hospitality market is growing, Indonesian customer preferences need to be understood more deeply by hotels to stay competitive. This research aims to examine the relationship between room service, room comfort, and reservation process factors to the performance of in-room dining, front office service, room amenities, hotel access and safety. Survey method was employed in this study, consisting of offline surveys distributed to the individuals who have stayed in one of the prominent hotels in Jakarta. The results indicated that room service does have a direct linear relationship on the performance of in-room dining, but room service does not have a direct linear relationship to the room amenities and hotel access and safety. Room comfort was shown to have a direct linear effect on the performance of in-room dining, room amenities, hotel access and safety. On the other hand, reservation process does have a direct linear effect on the performance of front office service as well as to the room amenities and hotel access and safety.
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Conference papers on the topic "Hand comfort"

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Mayer, Jonas, and Nicholas Katzakis. "A Metric for Short-Term Hand Comfort and Discomfort." In SUI '16: Symposium on Spatial User Interaction. New York, NY, USA: ACM, 2016. http://dx.doi.org/10.1145/2983310.2985752.

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Kanai, Satoshi, and Seiya Suzuki. "Estimating Ease of Single-Fingered Operations of Hand-Held Appliances With Digital Hand." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48838.

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Ergonomic-conscious design of hand-held information appliances greatly strengthens their competitiveness. However, current ergonomic assessments are carried out in the form of “real” user-tests which need many human subjects and expensive physical mockups, and only subjective evaluations are obtained. To solve these problems, in this paper, the Digital Hand where the 3D bone structure, surface skin geometry of the human hand are imitated was developed for quantitatively estimating the ease of single-fingered operations of hand-held appliances. The ease is estimated based on the reachability of a finger tip to several specified operation target points, and on the finger joint angle margin which reflects the mobile range of motions of all operating fingers’ joints. An effective correlation was found between the estimation measures and the subjective comfort ratings in the fingered operations of a SLR camera.
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Sharma, Monica, Awadhesh Kumar, and Dipayan Das. "Identification and Analysis of Comfort Predictors in the Use of a Hand Tool." In The 2nd World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2016. http://dx.doi.org/10.11159/icmie16.112.

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Yamada, Nao, Mohamad Yani, and Naoyuki Kubota. "Interactive adaptation of Hand-over Motion by a Robot Partner for Comfort of receiving." In 2020 IEEE Symposium Series on Computational Intelligence (SSCI). IEEE, 2020. http://dx.doi.org/10.1109/ssci47803.2020.9308289.

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Arezes, P., C. P. Lea˜o, M. L. Ferreira, and S. F. Teixeira. "Teaching Human Termal Comfort Through a Software Graphic Interface." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14873.

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Human comfort has become a key issue in developing new technologies and products. Thermal comfort perception is mainly affected by heat and mass transfer processes between the human body and its environment. In teaching this subject to Mechanical Engineering undergraduate students at University of Minho, the thermal comfort index PMV (Predicted Mean Vote) has often been used. It gives a statistical mean value of comfort sensation and it is very simple to use. On the other hand, a full computer simulation software of the human bodyclothing-environment system is a more effective way to study thermal comfort. However, computer models can be quite complicated to follow and to use in classes. A thermal human comfort model has been incorporated into a graphical interface in order to facilitate its current use. The graphical interface appears to be a very useful tool to interact with the thermal human comfort model developed. During its development stage, the interface has been tested using questionnaires in order to optimize its usability as a learning tool. Three different groups have been targeted by the questionnaires: first group of students from the Industrial Engineering degree, who have already some general knowledge about ergonomics, the second group included Post-Graduate students in Human Engineering, and the third group included students from Mechanical Engineering degree. Comparing results and also motivating students to this interesting and demanding subject has been the main objective of the present work.
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Abou Jaoude, Rachelle, Roch El Khoury, Agnes Psikuta, and Maroun Nemer. "Individualization of Thermophysiological Models for Thermal Sensation Assessment in Complex Environments: A Preliminary Study." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-71470.

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Thermal comfort of drivers and passengers inside cars compartments is a subject bouncing back to the spotlight with the electrification of vehicles. In fact, air conditioning and heating systems can reduce the battery autonomy of electric vehicles by up to 50% under certain conditions. On the other hand, although some researchers attempted to consider the individualization of thermal sensation and comfort models, the most used thermal sensation and comfort models nowadays are still those that consider a standard average person. Many studies showed the limitations of these models in predicting thermal comfort for different populations in complex environments. Therefore, if a personal thermal comfort at minimum vehicle energy consumption is required, a deep consideration should be given to the understanding of the individualization of the thermophysiological model and to identifying key parameters that have the most influence on thermal comfort. In order to evaluate the impact of different parameters on thermal sensation and comfort, a literature review was undertaken followed by a sensitivity analysis of some potentially influential parameters such as the basal metabolic rate, body weight, cardiac output, body fat content and clothing by considering the influence of their variations on thermal neutrality status and thermal sensation and comfort.
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Koscheyev, Victor S., Aitor Coca, Gloria R. Leon, and Robert Treviño. "Effect of Local Hand Thermal Insulation on Total and Local Comfort Under Different Levels of Body Heat Deficit." In International Conference On Environmental Systems. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-2977.

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Berhe, Mulugeta K. "Ergonomic Temperature Limits for Handheld Electronic Devices." In ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33873.

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In the drive towards smaller but more powerful electronic systems, effective thermal management issues continue to be among the key challenges facing the electronic industry. With this drive comes increasing heat production that must be removed for a satisfactory and safe operation. In large systems, one of the main challenges is how to achieve acceptable junction temperature of components such as microprocessors. In small systems such as handheld devices, however, one of the main challenges is maintaining the enclosure temperature below certain threshold so that they can be handled and operated without much discomfort. Whether the device is cooled passively or actively, a portion of the total heat generated by components is dissipated through the enclosure. This heat is then dissipated from the skin by radiation and natural convection into the ambient, and by conduction into any body that is in touch with it. So, when a device is held by hand, part of the heat produced will flow into the hand by conduction. The higher the temperature of the enclosure, the greater the heat transfer into the hand will be. Thus, whereas some devices feel cool to the touch, others will feel hot when touched. In order to characterize touch comfort, we must answer some basic questions: What determines whether a device feels hot or not? That is, what are the variables that control touch comfort? Is there a maximum skin temperature limit that we can say is acceptable for touch comfort? In this paper, we shall attempt to answer these and related questions. Among the results we report in this paper include that touch comfort not only depends on the absolute enclosure temperature of the device but also on the thermal conductivity of the enclosure. Materials with high conductivity transfer greater amount of heat into the hand than materials with low conductivity. Thus, a device with aluminum enclosure will feel hotter when touched than a device with plastic enclosure dissipating the same amount of heat. Further, depending on enclosure material type and ambient conditions, one can identify a skin temperature limit beyond which touch comfort deteriorates and becomes unacceptable. For the form factor studied, it was determined that the skin temperature limit for a plastic enclosure was about 45 C, and for aluminum enclosure it was about 41 C.
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Yu, Shuangyue, Hadia Perez, James Barkas, Mohamed Mohamed, Mohamed Eldaly, Tzu-Hao Huang, Xiaolong Yang, Hao Su, Maria del Mar Cortes, and Dylan J. Edwards. "A Soft High Force Hand Exoskeleton for Rehabilitation and Assistance of Spinal Cord Injury and Stroke Individuals." In 2019 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dmd2019-3268.

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Individuals with spinal cord injury (SCI) and stroke who is lack of manipulation capability have a particular need for robotic hand exoskeletons. Among assistive and rehabilitative medical exoskeletons, there exists a sharp trade-off between device power on the one hand and ergonomics and portability on other, devices that provide stronger grasping assistance do so at the cost of patient comfort. This paper proposes using fin-ray-inspired, cable-driven finger orthoses to generate high fingertip forces without the painful compressive and shear stresses commonly associated with conventional cable-drive exoskeletons. With combination cable-driven transmission and segmented-finger orthoses, the exoskeleton transmitted larger forces and applied torques discretely to the fingers, leading to strong fingertip forces. A prototype of the finger orthoses and associated cable transmission was fabricated, and force transmission tests of the prototype in the finger flexion mode demonstrated a 2:1 input-output ratio between cable tension and fingertip force, with a maximum fingertip force of 22 N. Moreover, the proposed design provides a comfortable experience for wearers thanks to its lightweight and conformal properties to the hands.
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Czechowicz, Alexander, Fabian Hoffmann, Sven Langbein, Peter Dültgen, and Romeo Wieczorek. "On the Development of an SMA Based Rear Mirror Folding Actuator." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9119.

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Nowadays electric motors are used for various applications in the automotive industry which affects the automobiles’ mass significantly. Small and medium sized electromotors are mainly used for comfort applications like locking systems or mirror folding drives. On the other hand, electromotor drives use often a reduction of a high speed rotation to a slow and powerful movement by the usage of gears. Due to the multistage gear ratio principle, such drives emit a noise level up which can be an inferiority attribute of an automotive system. Nevertheless, comfort applications are mainly driven by electromotor actuators in automobiles. Figure 1 shows a cut through a schematic side mirror of a car with two major electromotor drives comparable to the state of the art. The motor for mirror folding consists mainly of the complex gear box which has to fulfill a mirror movement of more than 65° in less than 5 seconds. To move the mirror with the motor has to have enough mechanical power to overcome this force and to move the mirror with a torque of more than 5 Nm.
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Reports on the topic "Hand comfort"

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Tucker-Blackmon, Angelicque. Engagement in Engineering Pathways “E-PATH” An Initiative to Retain Non-Traditional Students in Engineering Year Three Summative External Evaluation Report. Innovative Learning Center, LLC, July 2020. http://dx.doi.org/10.52012/tyob9090.

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The summative external evaluation report described the program's impact on faculty and students participating in recitation sessions and active teaching professional development sessions over two years. Student persistence and retention in engineering courses continue to be a challenge in undergraduate education, especially for students underrepresented in engineering disciplines. The program's goal was to use peer-facilitated instruction in core engineering courses known to have high attrition rates to retain underrepresented students, especially women, in engineering to diversify and broaden engineering participation. Knowledge generated around using peer-facilitated instruction at two-year colleges can improve underrepresented students' success and participation in engineering across a broad range of institutions. Students in the program participated in peer-facilitated recitation sessions linked to fundamental engineering courses, such as engineering analysis, statics, and dynamics. These courses have the highest failure rate among women and underrepresented minority students. As a mixed-methods evaluation study, student engagement was measured as students' comfort with asking questions, collaboration with peers, and applying mathematics concepts. SPSS was used to analyze pre-and post-surveys for statistical significance. Qualitative data were collected through classroom observations and focus group sessions with recitation leaders. Semi-structured interviews were conducted with faculty members and students to understand their experiences in the program. Findings revealed that women students had marginalization and intimidation perceptions primarily from courses with significantly more men than women. However, they shared numerous strategies that could support them towards success through the engineering pathway. Women and underrepresented students perceived that they did not have a network of peers and faculty as role models to identify within engineering disciplines. The recitation sessions had a positive social impact on Hispanic women. As opportunities to collaborate increased, Hispanic womens' social engagement was expected to increase. This social engagement level has already been predicted to increase women students' persistence and retention in engineering and result in them not leaving the engineering pathway. An analysis of quantitative survey data from students in the three engineering courses revealed a significant effect of race and ethnicity for comfort in asking questions in class, collaborating with peers outside the classroom, and applying mathematical concepts. Further examination of this effect for comfort with asking questions in class revealed that comfort asking questions was driven by one or two extreme post-test scores of Asian students. A follow-up ANOVA for this item revealed that Asian women reported feeling excluded in the classroom. However, it was difficult to determine whether these differences are stable given the small sample size for students identifying as Asian. Furthermore, gender differences were significant for comfort in communicating with professors and peers. Overall, women reported less comfort communicating with their professors than men. Results from student metrics will inform faculty professional development efforts to increase faculty support and maximize student engagement, persistence, and retention in engineering courses at community colleges. Summative results from this project could inform the national STEM community about recitation support to further improve undergraduate engineering learning and educational research.
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