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Добірка наукової літератури з теми "Feller postures"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Feller postures"

1

Suhartana, Sona, and Yuniawati Yuniawati. "TWO FELLING TECHNIQUES AND FELLER POSTURES FOR INCREASING THE UTILIZATION OF GMELINA WOOD (A case study at two timber estates in East Kalimantan)." JOURNAL OF FORESTRY RESEARCH 3, no. 1 (2006): 31–40. https://doi.org/10.20886/ijfr.2006.3.1.31-40.

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Анотація:

Fellingis an early step in timber utilization process. Efficiencyand effectivity of felling technique, tool type and feller posture will affect the whole timber utilization efficiency. This study was carried out at two timber estates in East Kalimantan and intended to see the effect of two felling techniques and feller postures on felling productivity, fellingcost, as well as timber utilization efficiency. Primary  data collected in this research  included :  felling time, volume  of  felled timber, productivity, felling efficiency, stump height and felling cost. The d

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2

Vasilev, Aleksey, and Yuriy Sukhanov. "Requirements for a chainsaw operator’s exoskeleton." BIO Web of Conferences 113 (2024): 06002. http://dx.doi.org/10.1051/bioconf/202411306002.

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Despite the mechanisation of the forest industry, the profession of a tree feller is still in demand. A tree feller with chainsaw works under great physical strain on all muscle groups. A distinctive feature of the job is the need to constantly change working postures and the need to hold a fairly heavy petrol-powered chainsaw in your outstretched arms. Facilitating the working conditions of the tree feller by reducing his or her physical fatigue is an urgent task. In order to achieve the purpose of this work, it was necessary to investigate the working conditions at a tree feller's workplace,

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3

Borz, Stelian Alexandru, Nicolae Talagai, Marius Cheţa, et al. "Physical Strain, Exposure to Noise and Postural Assessment in Motor-Manual Felling of Willow Short Rotation Coppice." Croatian journal of forest engineering 40, no. 2 (2019): 377–88. http://dx.doi.org/10.5552/crojfe.2019.550.

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Анотація:

Biomass for energy production and other bioproducts may be procured from various sources including willow short-rotation coppice (WSRC). Management of WSRCs involves several operations, including harvesting, which accounts for the greatest cost share and, if conducted motor-manually, it can expose the workers to noise, uncomfortable work postures and high cardiovascular loads. In this study, we evaluated the productivity, physical strain, exposure to noise, and postural risk index of workers operating in motor-manual felling of WSRC using a set of automatic dataloggers. Productivity of felling

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4

Suhartana, Sona, and Yuniawati Yuniawati. "Two Felling Techniques and Feller Postures for Increasing the Utilization of Gmelina Wood (a case study at two timber estates in East Kalimantan)." Indonesian Journal of Forestry Research 3, no. 1 (2006): 31–40. http://dx.doi.org/10.20886/ijfr.2006.3.1.31-40.

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5

Deryugin, Oleg V., Tetiana O. Nehrii, Oleksandr M. Borovytskyi, Olena V. Stolbchenko, and Mykhailo M. Arkhirei. "Evaluation of the occupational risk index of the forest faller." Environmental safety and natural resources 47, no. 3 (2023): 59–74. http://dx.doi.org/10.32347/2411-4049.2023.3.59-74.

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Анотація:

The purpose of the work is to assess the professional risk index of a forest feller, taking into account: ergonomic, psychosocial and hygienic factors and individual parameters, with the development of practical recommendations for reducing diseases of the musculoskeletal system, taking into account the adaptive capabilities of a person.To estimate the occupational risk index, methods were used to determine the danger from the working posture, the influence of psychosocial factors, and individual indicators. The assessment of the index of occupational risk of injury/disease of the musculoskele

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6

Rietveld, A. B. M. (Boni), and C. I. C. A. (Camilla) Winterkorn-Pierrot. "Genees & Kunst 7: Seventh Biannual Symposium on Medical Problems of Dancers & Musicians, Amsterdam, October 11, 2008." Medical Problems of Performing Artists 24, no. 1 (2009): 43–49. http://dx.doi.org/10.21091/mppa.2009.1010.

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On Saturday, October 11, 2008, the Dutch Performing Arts Medicine Association (NVDMG) organized a scientific and artistic symposium, Genees & Kunst 7, for its seventh member assembly, at the Vrije Universiteit Medical Centre in Amsterdam. Scientific presentations, interspersed with dance and music performances, were given by NVDMG members and by two invited international speakers: P. Lewton-Brain, Dancing uphill, insights into dancing on raked (inclined) stages, and Dr. J. Schloemicher-Thier, Occupational medicine in the Salzburger Festspiele. Other presenters included: Dr. A. de Gast, Fun

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7

Mohr, Maurice, Anna Euler, Gráinne Donnelly, et al. "Gait stability in postpartum runners: A pilot study to inform the development of evidence-based return-to-running guidelines following childbirth." Current Issues in Sport Science (CISS) 9, no. 4 (2024): 042. http://dx.doi.org/10.36950/2024.4ciss042.

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Introduction & Purpose Only 75% of female runners return to running following pregnancy and childbirth (Moore et al., 2021). Reported barriers for returning to running postpartum include pelvic floor dysfunction, musculoskeletal pain, and fear of movement (Moore et al., 2021), all of which may trigger or be the result of compensatory running gait adaptations. Provenzano and colleagues (2019) showed limited transverse plane trunk and pelvis rotations during running in the first weeks of the postpartum period and speculated that this adaptation may be an attempt to compensate for lower gait

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Schettino, Stanley, Julio Cesar Costa Campos, Luciano José Minette, and Amaury Paulo de Souza. "WORK PRECARIOUSNESS: ERGONOMIC RISKS TO OPERATORS OF MACHINES ADAPTED FOR FOREST HARVESTING." Revista Árvore 41, no. 1 (2017). http://dx.doi.org/10.1590/1806-90882017000100009.

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ABSTRACT This study aimed to assess different types of machines adapted for mechanized forest harvesting activities in order to quantify the degree of compliance with ergonomic principles applicable to forest machines, as well as the ergonomic risks to which workers are exposed. The following machines were evaluated: a feller buncher adapted into a wheel loader; a mini skidder coupled to an agricultural tractor; and a forest loader adapted to an agricultural tractor; operating in the states of Paraná and Minas Gerais. Biomechanical working conditions were assessed by applying a checklist for s

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9

Oliveira, Felipe Martins de, Eduardo da Silva Lopes, Nilton Cesar Fiedler, and Henrique Soares Koehler. "INDICATOR FOR URGENCY ASSESSMENT IN ERGONOMIC INTERVENTION OF WOOD HARVESTING MACHINES." Revista Árvore 44 (2020). http://dx.doi.org/10.1590/1806-908820200000028.

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ABSTRACT Many studies on ergonomics in forestry operations are punctual and assess ergonomic variables in isolation, with each result being obtained on a specific scale. Thus, the objective of this study was to improve an ergonomic indicator through a classification according to the urgency of the ergonomic intervention, to improve its practicality of application in forest harvesting machines. This research was carried out in planted forests of a company in Southern Brazil, and based on ergonomic evaluations of a feller buncher, a skidder, a forest processor, harvesters, and forwarder machines

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10

Yang, David, Shovan Maity, and Shreyas Sen. "Physically Secure Wearable–Wearable Through-Body Interhuman Body Communication." Frontiers in Electronics 2 (February 3, 2022). http://dx.doi.org/10.3389/felec.2021.807051.

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Human body communication (HBC) has recently emerged as an alternative method to connect devices on and around the human body utilizing the electrical conductivity properties of the human body. HBC can be utilized to enable new interaction modalities between computing devices by enhancing the natural interaction of touch. It also provides the inherent benefit of security and energy-efficiency compared to a traditional wireless communication, such as Bluetooth, making it an attractive alternative. However, most state-of-the-art HBC demonstrations show communication between a wearable and an Eart

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Частини книг з теми "Feller postures"

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Tan CheeFai, Chen Wei, and Rauterberg Matthias. "Adaptive Neck Support for Wellbeing During Air Travel." In Ambient Intelligence and Smart Environments. IOS Press, 2012. https://doi.org/10.3233/978-1-60750-837-3-211.

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Air travel is becoming increasingly more accessible to people both through the availability of low cost flights. Health problems may arise due to anxiety and unfamiliarity with airport departure procedures prior to flying, whilst during the air travel, problems may arise as a result of the food served on board, differences in the environmental conditions inside the cabin, the risk of cross-infection from fellow passengers, seat position, posture adopted and duration of the flight. These can be further compounded by changes in time zones and meal times, which may continue to affect an individua

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Allchin, Douglas. "Marxism and Cell Biology." In Sacred Bovines. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190490362.003.0007.

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Few biologists today have likely heard of cell biologist Alex Novikoff (1913–1987) (Figure 3.1). But the fruits of his science are well known. He helped discover the cell organelle called the lysosome. In 1955 he visualized what Christian de Duve had characterized only by chemical means. He documented the first known enzyme of the Golgi body, another cell organelle. He developed ways to stain lysosomes and peroxisomes (also cell organelles) that were critical to identifying them and studying them with the electron microscope. Novikoff also was targeted by the anti-Communist movement in the mid

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Тези доповідей конференцій з теми "Feller postures"

1

Langezaal, Harold, Guido De Bruyne, and Stijn Verwulgen. "VibroTactile Feedback application for correcting and guiding posterior knee flexion during the loading phase of a baseball swing." In 15th International Conference on Applied Human Factors and Ergonomics (AHFE 2024). AHFE International, 2024. http://dx.doi.org/10.54941/ahfe1005284.

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This research presents the function and validation of an innovative low-cost Vibrotactile feedback system that can be used to control rear knee flexion during the loading phase of a baseball swing. This new VTF system employs only two NOTCH® inertia sensors and two LRA actuators. It can be controlled by a coach or fellow player, making feedback individually applicable. The system is easy to use and compatible with the current NOTCH® Pioneer application. The system is tested on 12 participants who had an average of 14 years of baseball experience. As a control group, auditory feedback was used,

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2

Howard, Bradley, Jingzhou (James) Yang, and Guolai Yang. "Prediction of Supporting Hand Forces for Common Automotive Assembly Tasks Based on Optimization and Stability Techniques for Given Posture." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70678.

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Quite often people are faced with one handed tasks in which the other hand is needed for support. Without these supporting external forces, postures may be unstable, rendering the task impossible. Automotive assembly line operators are confronted with these types of tasks every day, such as hose installations and the connection of electrical components. Determining the optimal location and forces for the supporting hand is important to minimize potential injuries of operators. Traditionally, these supporting hand forces are measured by experiments. This work attempts to provide an important pr

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Hampton, K. K., P. J. Grant, M. Boothby, J. A. Davies, and C. R. M. Prentice. "VASOPRESSIN AND THE REGULATION OF FIBRINOLYSIS: HAEMOSTATIC RESPONSES TO HYPOTENSION IN THE ABSENCE OF ADRENALINE RELEASE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643122.

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Vasopressin (aVP) infusions resulting in plasma concentrations that simulate those during stress cause increases in factor VIII (EVTII) and plasminogen activator activity (PAA). During apcmorphine induced nausea and abdominal surgery similar increases in aVP are associated with elevated FVIII and PAA suggesting aVP is a mediator of haemostatic function. However during stress there is release of adrenaline which has similar effects on haemostasis. The aim of this study was to investigate the effects of endogenous aVP release on haemostasis in patients with postural hypotension (a potent stimulu

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4

Lima, Iana Campinho Braga de Araújo, Lavínia Flávia Xavier de Souza, Clara Wilma Fernandes Rosendo, et al. "Cerebral venous thrombosis simulating cerebral arterial thrombosis: Late complication of COVID-19?" In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.345.

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Context: Brain venous thrombosis (BVT) is uncommon and usually has a different clinic and treatment from cerebral arterial thrombosis. In this context, COVID-19 correlates with thrombogenesis with varied clinical repercussions. This report describes an unusual BVT case as a possible late complication of COVID-19. Case report: Male, 68 years old, athlete and healthy. April/2020: COVID-19 mild symptoms. February/2021: in road-running, he fell due to sudden left hemiparesis. Upon hospital admission: contacting, persistent headache. A week after, low level of consciousness and coma, when underwent

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Звіти організацій з теми "Feller postures"

1

Vargas-Herrera, Hernando, Juan Jose Ospina-Tejeiro, Carlos Alfonso Huertas-Campos, et al. Monetary Policy Report - April de 2021. Banco de la República de Colombia, 2021. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr2-2021.

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1.1 Macroeconomic summary Economic recovery has consistently outperformed the technical staff’s expectations following a steep decline in activity in the second quarter of 2020. At the same time, total and core inflation rates have fallen and remain at low levels, suggesting that a significant element of the reactivation of Colombia’s economy has been related to recovery in potential GDP. This would support the technical staff’s diagnosis of weak aggregate demand and ample excess capacity. The most recently available data on 2020 growth suggests a contraction in economic activity of 6.8%, lowe

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