نتایج جستجو برای: impulse loading

تعداد نتایج: 100244  

A.A Jafarnezhadgero, F Ghorbanlou, M Majlesi, S.M Alavi-Mehr,

Genu varus is one of the malalignment of the lower limbs, the failure to correct it leads to secondary abnormalities in adulthood. The purpose of this study was to investigate the effects of a corrective exercise program on ground reaction forces, loading rates, impulses and free moment during stance phase of walking. 17 children with genu varus were volunteered to participate in this study (Ag...

Journal: :مهندسی بیوسیستم ایران 0
محمد اسماعیل خراسانی فردوانی رضا علیمردانی محمود امید

this study involved the development and evaluation of a new filtering technique, as based on adaptive free mass load cell. the technique's application in reduction of vibration and impulse noise (commonly added to the sugar cane harvester yield monitoring signals) was tested. this technique is based upon assimilate spring- mass vibration system of weighing scale with a free mass load cell ...

Journal: :Clinical biomechanics 2014
Amneh Z Alshawabka Anmin Liu Sarah F Tyson Richard K Jones

BACKGROUND Stair climbing is a challenging task to the elderly being the task with the first complaint in patients with mild to moderate knee osteoarthritis. Stair climbing results in around six times more compressive load transmitted through the knee joint than walking on level ground. The purpose of this study was to assess whether lateral wedge insoles would reduce medial compartment knee lo...

2011
David C. Morgenroth Ava D. Segal Karl E. Zelik Joseph M. Czerniecki Glenn K. Klute Peter G. Adamczyk Michael S. Orendurff Michael E. Hahn Steven H. Collins Art D. Kuo Jane B. Shofer

Lower extremity amputation not only limits mobility, but also increases the risk of knee osteoarthritis of the intact limb. Dynamic walking models of non-amputees suggest that an appropriately timed push-off from the trailing limb can reduce collision forces on the leading limb. These collision forces may determine the peak knee external adduction moment (EAM), which has been linked to the deve...

Journal: :The American journal of sports medicine 2004
Roger Weist Eric Eils Dieter Rosenbaum

BACKGROUND Stress fractures are common overuse injuries in runners and appear most frequently in the metatarsals. PURPOSE To investigate fatigue-related changes in surface electromyographic activity patterns and plantar pressure patterns during treadmill running as potential causative factors for metatarsal stress fractures. STUDY DESIGN Prospective cohort study with repeated measurements. ...

The behavior of steel plate walls (SPWs) under various impulsive loadings and the effects of different mesh sizes are investigated in this paper. With the aim of accurately inspecting SPWs, a series of analyses with 250 models with different plate geometric assumptions and different blast impulsive loadings are performed to study the SPWs’ out-of-plane behavior. The mild steel material specific...

Journal: :Journal of neurophysiology 2002
Daniel S Marigold Aftab E Patla

Falls due to slips are prevalent in everyday life. The purpose of this study was to determine the reactive recovery responses used to maintain dynamic stability during an unexpected slip, establish the time course of response adaptation to repeated slip perturbations, and distinguish the proactive strategies for negotiating a slippery surface. Twelve young adults participated in the study in wh...

Journal: :Gait & posture 2011
David C Morgenroth Ava D Segal Karl E Zelik Joseph M Czerniecki Glenn K Klute Peter G Adamczyk Michael S Orendurff Michael E Hahn Steven H Collins Art D Kuo

Lower extremity amputation not only limits mobility, but also increases the risk of knee osteoarthritis of the intact limb. Dynamic walking models of non-amputees suggest that pushing-off from the trailing limb can reduce collision forces on the leading limb. These collision forces may determine the peak knee external adduction moment (EAM), which has been linked to the development of knee OA i...

2017
Andrés Sebastian Aristizabal Escobar Alexandre Navarro Alves de Souza Ana Carolina Brandão de Campos Fonseca Pinto Julia Maria Matera

BACKGROUND Canine breed conformation may interfere with locomotion and may predispose to orthopedic disease. Bulldogs have a high incidence of orthopedic diseases such as hip dysplasia. Kinetic gait analysis provides an objective way to assess and analyze locomotion. The aim of this study was to study the vertical forces of English Bulldogs during walk using a pressure sensitive walkway. We hyp...

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