Academic literature on the topic 'Knee Moments'

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Journal articles on the topic "Knee Moments"

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Miller, S., A. Agarwal, WB Haddon, et al. "Comparison of gait kinetics in total and unicondylar knee replacement surgery." Annals of The Royal College of Surgeons of England 100, no. 4 (2018): 267–74. http://dx.doi.org/10.1308/rcsann.2017.0226.

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Introduction The aim of this study was to compare kinetical data from gait analysis of patients who have undergone total and uni-condylar knee replacement. Materials and methods Thirteen patients with unilateral total knee arthroplasty (TKA) and 13 unicondylar knee arthroplasty (UKA), were included, all performed by the same surgeon more than one year prior. The Vicon gait analysis system was used. Statistical power was calculated using SPSS. Results No significant difference was found in the spatiotemporal parameters of gait and survival years of the knee prosthesis between the two groups. Th
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Lyle, Mark A., Jake C. Jensen, Jennifer L. Hunnicutt, et al. "Identification of strength and spatiotemporal gait parameters associated with knee loading during gait in persons after anterior cruciate ligament reconstruction." Journal of Athletic Training 2021, preprint (2021): 0000. http://dx.doi.org/10.4085/1062-6050-0186.21.

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ABSTRACT Context: Altered knee moments are common during gait in patients following anterior cruciate ligament reconstruction (ACLR). Modifiable factors that influence knee moments and are feasible to record in clinical settings such as strength and spatiotemporal parameters (e.g. step length, step width) have not been identified in persons after ACLR. Objective: The objective was to identify strength and spatiotemporal gait parameters that can predict knee moments in persons after ACLR. Design: Cross-Sectional Study Setting: Laboratory Patients: Twenty-three participants with ACLR (14.4 ± 17.
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Paquette, Max R., Gary Klipple, and Songning Zhang. "Greater Step Widths Reduce Internal Knee Abduction Moments in Medial Compartment Knee Osteoarthritis Patients During Stair Ascent." Journal of Applied Biomechanics 31, no. 4 (2015): 229–36. http://dx.doi.org/10.1123/jab.2014-0166.

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Increased step widths have been shown to reduce peak internal knee abduction moments in healthy individuals but not in knee osteoarthritis patients during stair descent. This study aimed to assess effects of increased step widths on peak knee abduction moments and associated variables in adults with medial knee osteoarthritis and healthy older adults during stair ascent. Thirteen healthy older adults and 13 medial knee osteoarthritis patients performed stair ascent using preferred, wide, and wider step widths. Three-dimensional kinematics and ground reaction forces (GRFs) using an instrumented
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Aagaard, Per, Erik B. Simonsen, S. Peter Magnusson, Benny Larsson, and Poul Dyhre-Poulsen. "A New Concept For Isokinetic Hamstring: Quadriceps Muscle Strength Ratio." American Journal of Sports Medicine 26, no. 2 (1998): 231–37. http://dx.doi.org/10.1177/03635465980260021201.

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Conventionally, the hamstring:quadriceps strength ratio is calculated by dividing the maximal knee flexor (hamstring) moment by the maximal knee extensor (quadriceps) moment measured at identical angular velocity and contraction mode. The agonist-antagonist strength relationship for knee extension and flexion may, however, be better described by the more functional ratios of eccentric hamstring to concentric quadriceps moments (extension), and concentric hamstring to eccentric quadriceps moments (flexion). We compared functional and conventional isokinetic hamstring: quadriceps strength ratios
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O Ericson, M., A. Bratt, R. Nisell, G. Németh, and J. Ekholm. "Load moments about the hip and knee joints during ergometer cycling." Journal of Rehabilitation Medicine 18, no. 4 (2020): 165–72. http://dx.doi.org/10.2340/16501977198618165172.

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The aim of the study was to calculate the magnitudes of moments of force acting about the bilateral hip and knee joint axes during ergometer cycling. Six healthy subjects pedalled a weight-braked bicycle ergometer at different workloads, pedalling rates, saddle heights and pedal foot position. During cycling at 120 Watts, 60 revolutions per minute with mid-saddle height and anterior pedal foot position, the mean peak flexing and extending hip load moments were 34.3 and 8.9 Nm, respectively. Mean peak flexing knee load moments was 28.8 Nm and extending moment was 11.9 Nm. Hip load moments were
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Zidan, Ahlam A. "Knee extensor moments during Sit-Stand-Sit cycle and its correlation with foot placement: Laboratory Report." Libyan Journal of Medical Research 11, no. 1 (2017): 69–78. http://dx.doi.org/10.54361/ljmr.11.1.09.

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Individuals with neurological impairments experience difficulties in achieving sit-stand-sit manoeuvre. Foot placement was found to result in alterations to knee moments throughout sit-stand-sit cycle. This study aimed to investigate the relation between foot position and knee extensor moments of both limbs during Sit-Stand-Sit cycle. Two healthy right-footed femalevolunteered to participate in this study, which was carried out in the human movement laboratory at the Nottingham City Hospital, Nottingham, United Kingdom. Muscle strength was assessed by isokinetic dynamometer and a three-dimensi
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Webster, Kate E., Joanne E. Wittwer, Jason O'Brien, and Julian A. Feller. "Gait Patterns after Anterior Cruciate Ligament Reconstruction are Related to Graft Type." American Journal of Sports Medicine 33, no. 2 (2005): 247–54. http://dx.doi.org/10.1177/0363546504266483.

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Background Although there is a tendency toward gait normalization after anterior cruciate ligament reconstruction, altered moments about the knee flexion-extension axis have been reported. It is possible that these gait alterations relate to donor site morbidity associated with the graft harvest. Hypothesis There is a relationship between graft type and external knee moments during walking. Study Design Controlled laboratory study. Methods Three groups were compared: 17 patellar tendon anterior cruciate ligament reconstruction patients (mean, 11 months after surgery), 17 hamstring tendon anter
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Wheeler, Jeffrey B., Robert J. Gregor, and Jeffrey P. Broker. "The Effect of Clipless Float Design on Shoe/Pedal interface Kinetics and Overuse Knee injuries during Cycling." Journal of Applied Biomechanics 11, no. 2 (1995): 119–41. http://dx.doi.org/10.1123/jab.11.2.119.

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Pedal kinetics, including the applied moment (Mz) about an axis orthogonal to the pedal surface and passing through the center of pressure, were measured across three shoe/pedal interface systems (toe-clip and strap, clipless fixed, clipless float) and three workrates (150, 250, 350 W) during steady-state cycling using specially developed multicompatible force pedals. The applied moment (Mz) at the pedal is an important contributor to the corresponding axial moment realized at the knee and has implications for studying overuse injury mechanics and prevention of cycling-related knee pain. Data
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Herbort, Mirco, Philipp Michel, Michael J. Raschke, et al. "Should the Ipsilateral Hamstrings Be Used for Anterior Cruciate Ligament Reconstruction in the Case of Medial Collateral Ligament Insufficiency? Biomechanical Investigation Regarding Dynamic Stabilization of the Medial Compartment by the Hamstring Muscles." American Journal of Sports Medicine 45, no. 4 (2016): 819–25. http://dx.doi.org/10.1177/0363546516677728.

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Background: Semitendinosus and gracilis muscles are frequently harvested for autologous tendon grafts for cruciate ligament reconstruction. This study investigated the joint-stabilizing effects of these hamstring muscles in cases of insufficiency of the medial collateral ligament (MCL). Hypotheses: First, both the semitendinosus and gracilis muscles can actively stabilize the joint against valgus moments in the MCL-deficient knee. Second, the stabilizing influence of these muscles decreases with an increasing knee flexion angle. Study Design: Controlled laboratory study. Methods: The kinematic
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Williams, Dorsey Shelton, and Wesley Isom. "Decreased Frontal Plane Hip Joint Moments in Runners With Excessive Varus Excursion at the Knee." Journal of Applied Biomechanics 28, no. 2 (2012): 120–26. http://dx.doi.org/10.1123/jab.28.2.120.

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Knee varus position and motion have been correlated with increased medial knee loading during gait. The purpose of this study is to determine whether runners with excessive varus excursion (EVE) at the knee demonstrate frontal plane knee and hip kinetics that are different from those of runners with normal varus excursion (NVE). Twelve runners with EVE were compared with 12 NVE subjects using three-dimensional kinematics and kinetics. Frontal plane angles and moments were compared at the knee and hip. Runners with EVE had significantly greater abductor moment of the knee (p = .004) and lower p
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Dissertations / Theses on the topic "Knee Moments"

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Gardinier, Joseph D. "Evaluation of an EMG-driven model and its ability to estimate joint moments at the knee." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 80 p, 2007. http://proquest.umi.com/pqdweb?did=1251904611&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Chinworth, Susan A. (Susan Annette). "Ground Reaction Forces and Ankle and Knee Moments During Rope Skipping." Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc501047/.

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Ground reaction force (GRF) data collected and synchronized with film data to determine peak GRF and calculate moments about ankle and knee during rope skipping. Two, five minute conditions were analyzed for 10 subjects. Condition 1 was set rate and style. Condition 2 was subjects' own rate and style. Means and standard deviations were reported for peak GRF, ankle and knee moments. One way ANOVAs reported no significant difference between conditions for variables measured. Efficiency and nature of well phased impacts during rope skipping may be determined by combination of GRF, similarities i
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Flaxman, Teresa. "Neuromuscular Strategies for Regulating Knee Joint Moments in Healthy and Injured Populations." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36102.

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Background: Joint stability has been experimentally and clinically linked to mechanisms of knee injury and joint degeneration. The only dynamic, and perhaps most important, regulators of knee joint stability are contributions from muscular contractions. In participants with unstable knees, such as anterior cruciate ligament (ACL) injured, a range of neuromuscular adaptations has been observed including quadriceps weakness and increased co-activation of adjacent musculature. This co-activation is seen as a compensation strategy to increase joint stability. In fact, despite increased co-activati
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Ditto, Richard Charles. "Influence of Externally Applied Moments and Loads on Knee Kinematics: A Cadaveric Study of Single- and Multi-Axis Loading of the Knee." University of Toledo / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1364298743.

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Sampson, Aared D. "Differences in Joint Moments at the Hip, Knee, and Ankle While Wearing Running Shoes and Distance Spikes." Diss., CLICK HERE for online access, 2009. http://contentdm.lib.byu.edu/ETD/image/etd3077.pdf.

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Algarni, A. S. S. "The biomechancal effect of trunk inclination on joint moments and muscle activation in people with knee osteoarthritis." Thesis, University of Salford, 2018. http://usir.salford.ac.uk/48983/.

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Knee osteoarthritis is a progressive disease, which is associated with pain, stiffness and disability. Previous research has demonstrated that the progression of knee OA is influenced by numerous biomechanical factors, which will affect the loading on the knee joint. Cross sectional studies have shown altered knee OA gait to be characterised by altered joint moments, increased muscle activity and increased muscular co-contraction. Furthermore, modelling studies have shown that the alterations in muscle patterns that are characteristic of knee OA lead to elevated joint loads, while longitudinal
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Lathrop, Rebecca Leeann. "Investigation of Measurable Biomechanical Factors that may Influence Articular Cartilage Degeneration in the Knee." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1396013092.

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Cami, Sonila. "Effects of Body Mass Index and Walking Speed in Gait Biomechanics of Young Adult Males." Scholarly Repository, 2007. http://scholarlyrepository.miami.edu/oa_theses/86.

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Gait biomechanics of forty male subjects was evaluated at normal and fast walking speeds. The forty subjects composed four groups based on their body mass index, with ten subjects in each of the groups: underweight, normal weight, overweight and obese. To our knowledge this is the first comprehensive 3-dimensional kinetic and kinematic gait analysis of all four groups based on body mass index. The obese subjects walked with significantly slower gait speed by taking shorter steps and strides, while having significantly higher step widths and longer gait cycle times than the other subjects. The
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Cotter, Joshua Allan. "The Effect of Squat Load and Depth on Patellofemoral Joint Kinetics." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243606700.

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Italiano, Vincenza M. "Behavior of Diagonal Knee Moment End-Plate Connections." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/32478.

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An experimental and analytical investigation was conducted to study the behavior of diagonal knee moment end-plate connections and a multiple row extended moment end-plate connection. Diagonal knee moment end-plate connections differ from typical moment end-plate connections because of the large pitch distance required between the top flange and first row of tension bolts. The large pitch distance is outside of the geometric parameters of all previous research. Design solutions are presented for five moment end-plate connections with provisions added to accommodate these parameters. The a
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Books on the topic "Knee Moments"

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Kramer, Rutger. Rethinking Authority in the Carolingian Empire. Amsterdam University Press, 2019. http://dx.doi.org/10.5117/9789462982642.

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By the early ninth century, the responsibility for a series of social, religious and political transformations had become an integral part of running the Carolingian empire. This became especially clear when, in 813/4, Louis the Pious and his court seized the momentum generated by their predecessors and broadened the scope of these reforms ever further. These reformers knew they represented a movement greater than the sum of its parts; the interdependence between those wielding imperial authority and those bearing responsibility for ecclesiastical reforms was driven by comprehensive, yet still
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Fagan, Orlando J. Notebook Journal Lined: Knee Surgery Recovery Quote If You Kneed Me Rehab 6x9 Blank Lined 120 Pages Notebook Diary ... Memorable Moments, Gratitude, Reflections. Independently Published, 2020.

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The effects of running with a functional knee brace on lower extremity joint moments of force in anterior cruciate ligament injured subjects. 1992.

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The effects of running with a functional knee brace on lower extremity joint moments of force in anterior cruciate ligament injured subjects. 1990.

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The moment I knew: Reflections from women on life's defining moments. Sugati, 2011.

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Gibson, A. A. Moment I Knew. Independently Published, 2017.

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Lindsey, Nina. Moment We Knew. Snow Queen Publishing, 2019.

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Curtis, Cathy. Portraits as Moments and Memory. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190498474.003.0008.

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While emphasizing a sympathetic view of her sitters’ individuality, Elaine often revealed personality-shaping forces of turmoil and discontent. Her subjects included Bill, Harold Rosenberg, Thomas Hess, Merce Cunningham, Edwin Denby, Donald Barthelme, Alex Katz, Frank O’Hara, Pelé, and, most famously, John F. Kennedy. She based her “gyroscope men” on a book by psychologist Rollo May about repressed men unable to change. Her “faceless” sitters included O’Hara, easily identifiable by his characteristic posture. Other portraits with missing facial features, all of men she knew well, may have been
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Denha, Vanessa. I Knew I Was A Woman When: Defining Female Moments: What's Your's? PublishAmerica, 2004.

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"Warm Fuzzies": What Happened the Moment I Knew About You. Balboa Press, 2015.

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Book chapters on the topic "Knee Moments"

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Martin, D., L. Lamoreux, and H. B. Skinner. "An Ankle-Foot Orthosis for Dymanic Alteration of Varus/Valgus Knee Moments." In Biomechanics: Current Interdisciplinary Research. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-011-7432-9_83.

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Alt, Tobias, Kevin Nolte, Dennis Horn, Dominik Modenbach, Axel Johannes Knicker, and Thomas Jaitner. "Effects of Test Modality and Hip Flexion on Resultant Knee Flexor Moments." In 13th World Congress of Performance Analysis of Sport and 13th International Symposium on Computer Science in Sport. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31772-9_7.

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Lythgo, N., M. Craze, I. Selva Raj, and Y. Lim. "Increased Shoe Heel Height Generates Greater Peak Knee Extension Moments than Fast Walking Speeds." In 6th International Conference on the Development of Biomedical Engineering in Vietnam (BME6). Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4361-1_28.

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Mokhtari, Mahdi, Abrar Islam, and Ali Imanpour. "Comparison of the Seismic Performance of Steel Moment-Resisting Frames and Moment-Resisting Knee Braced Frames." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0507-0_25.

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Nongsiej, Eshanya Tongper, Karthiga N. Shenbagam, A. Mohanraj, and Kartik Kapoor. "Analysis of Knee-Braced, x-braced Moment Frame for Ductility Based Seismic Design." In Lecture Notes in Civil Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5673-6_10.

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Kothurkar, Rohan, Ramesh Lekurwale, and Rajesh Pansare. "Exploring the Correlation between Knee Flexion Moment and Joint Contact Force During Squatting Activity." In Technologies for Energy, Agriculture, and Healthcare. CRC Press, 2024. https://doi.org/10.1201/9781003596707-1.

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Mokhtari, Mahdi, and Ali Imanpour. "Evaluation of the Seismic Behaviour of Modular Steel Moment-Resisting Frame Structures with Knee Braces." In Lecture Notes in Civil Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-03811-2_52.

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Hill, Leslie, and Helen Paris. "Interior II: The Moment I Saw You I Knew I Could Love You." In Performing Proximity. Macmillan Education UK, 2014. http://dx.doi.org/10.1007/978-1-137-32830-4_3.

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Waiteman, Marina, Bianca Taborda, Ronaldo Briani, et al. "Influence of Knee Abductor Moment on Patellofemoral Joint Stress and Self-reported Pain of Women with Patellofemoral Pain." In XXVI Brazilian Congress on Biomedical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2119-1_41.

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Belaladavar, Shaktiprasad C. "Response of Steel Knee-Braced Moment Frames Designed Using Ductility-Based Seismic Design Approach with Different Ductility Conditions." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9394-7_34.

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Conference papers on the topic "Knee Moments"

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Agarwal, Bela, and Rajani Mullerpatan. "Instance of Peak Knee Flexion and Adduction Moment During Deep-Squat." In 2024 International Symposium on 3D Analysis of Human Movement (3DAHM). IEEE, 2024. https://doi.org/10.1109/3dahm62677.2024.10920813.

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Bharanidivya, Madhavan, Adharsh Sedhumadhavan, Pridhav Krishna Anoop, Harsh Sharma, and Samiappan Dhanalakshmi. "Transforming Track and Field Analytics Using Inertial Sensor Integration for Accurate Knee Flexion and Adduction Moment Assessment." In 2024 IEEE 21st India Council International Conference (INDICON). IEEE, 2024. https://doi.org/10.1109/indicon63790.2024.10958310.

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Zhang, Benjamin, and Alison H. Chang. "Feasibility Study of Real-Time Estimation of Knee Adduction Moment Using Wearable Insole Sensors and Artificial Neural Networks: A Case Report." In 2024 7th International Conference on Data Science and Information Technology (DSIT). IEEE, 2024. https://doi.org/10.1109/dsit61374.2024.10881418.

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Zeni, Joseph, and Jill Higginson. "Influence of Walking Speed and Severity of Knee Osteoarthritis on Medial Compartment Loading." In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-176414.

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Progression of knee osteoarthritis (OA) has been shown to occur in the presence of an increased load at the medial compartment [1]. Current gait analysis techniques allow researchers to use inverse dynamic techniques to calculate external knee adduction moments. These moments correlate to varus knee stresses and increased load in the medial knee compartment. These abnormal stresses have been hypothesized to play a role in the destruction of articular cartilage [2]. Previous authors have suggested that walking velocity will affect the adduction moment and that decreasing walking speed may reduc
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Roetter, Adam D., Craig P. Lusk, and Rajiv Dubey. "Bistable Compliant Extension Aid for a Polycentric Prosthetic Knee." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86990.

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A compliant add-on mechanism for polycentric prosthetic knees was designed to provide two additional features beyond those already provided by the knee, the additional features being a stable equilibrium position when the knee is bent for the sitting posture and a moment-rotation profile that helps prevent excessive heel rise. The mechanism, dubbed the Bistable Compliant Extension Aid (BCEA), was developed and analyzed using finite-element-analysis (FEA) software. The BCEA was shown to satisfy the design requirements, prevention of excessive heel rise and providing a stable sitting position, b
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Gregersen, Colin S., and M. L. Hull. "How Simplifying Assumptions Affect the Computation of Three-Dimensional Knee Loads in Cycling." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/bed-23069.

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Abstract Determining the force and moment components transmitted by the knee is useful both to understand the etiology of over-use knee injuries common in cycling [1] and also to assess how well different interventions protect against over-use injury. Because the loads thought to be primarily responsible for over-use knee injury are the non-driving moments (varus/valgus and internal/external axial moments) transmitted by the knee [2], a 3-D model is necessary for calculating these loads. To our knowledge, no study has developed a model that includes complete 3-D kinematics of the segments to c
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Liu, Hai-Bin, Zhi-Qiang He, Jie-Qun Wang, Ping Yu, and Hou-Wen Cao. "Knee joint moments in 3D during level gait." In 2014 11th IEEE International Conference on Control & Automation (ICCA). IEEE, 2014. http://dx.doi.org/10.1109/icca.2014.6871009.

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Stewart, A. A., W. L. Buford, F. M. Ivey, et al. "Muscle Balance at the Knee During Internal and External Knee Rotation." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0271.

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Abstract The human leg functions as it does partially because of an inherent muscle balance at the knee that provides adequate range of motion and strength. Disturbing this muscle balance can alter the functionality of the leg. Mechanical systems, such as the human knee, cannot be completely described without knowledge of the forces and moments associated with them.
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Bendjaballah, M. Z., A. Shirazi-Adl, and D. J. Zukor. "Multi-Body Contact Analysis of the Tibiofemoral Joint in Varus-Valgus." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-1253.

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Abstract The passive stability of the human knee joint under various loads and motions is provided by the multi-body articulations, menisci, and ligaments. In this study we sought to investigate the articulation response of the joint under varus-valgus moments and determine the influence of sectioning collaterals on the joint biomechanics. For this purpose, a nonlinear 3-D finite element (FE) model of the human knee [1] is used in which, the multi-body articulation between cartilage layers as well as the intervening menisci are treated as a frictionless nonlinear contact problem. The mechanica
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Herfat, Safa T., Daniel V. Boguszewski, and Jason T. Shearn. "Intact Knee and ACL Forces for the Human and Ovine Model During Simulated In Vivo Human and In Vivo Ovine Motions." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53532.

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Patients frequently experience knee injuries, with the ACL being one of the most commonly injured structures requiring surgery [1]. ACL tears typically lead to osteoarthritis in the long term, even after surgical treatment [2]. This chronic joint degeneration has been attributed to the failure of current ACL reconstructions to restore the native biomechanics of the knee joint [3]. To design more effective treatments, investigators must first understand normal knee function for multiple activities of daily living (ADLs). The 3D in vivo forces and moments of the normal intact knee, as well as th
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