نتایج جستجو برای: vertical ground reaction force
تعداد نتایج: 809427 فیلتر نتایج به سال:
Introduction: Since people experience fatigue after anterior cruciate ligament injury during exercises, it is important to understand how fatigue affects the biomechanical movement patterns. Therefore, this study aimed to investigate the effect of fatigue on ground reaction force variables during single-leg landing in athletes with a history of an anterior cruciate ligament spr...
Aims and background: The aim of this study was to determine the effects of isolated and combined use of valgus knee braces and lateral wedge foot orthotics on the frequency spectrum of ground reaction forces generated in the knee by the gait of patients with knee osteoarthritis. Materials and methods: 24 males (age: 62.1 ± 2.0 years( with varus knee malalignment and symptomatic medial compart...
BACKGROUND A Sit to Stand task following a hip fracture may be achieved through compensations (e.g. bilateral arms and uninvolved lower extremity), not restoration of movement strategies of the involved lower extremity. The primary purpose was to compare upper and lower extremity movement strategies using the vertical ground reaction force during a Sit to Stand task in participants recovering f...
Objectives: The aim of this study was to assess the symmetry of ground reaction forces in patient with ACL rupture during vertical jump. Methods: Six men with ACLD (anterior cruciate ligament disease) participated in this study. Ground reaction forces components were assessed during Sargent jump by Kistler force plate. Data were analyzed running dependent Samples T-test and Repeated Measure in...
Objective: Amputation of the lower limb due to loss of part of the musculoskeletal structure reduces performance and increases injury during locomotion. The effect of various types of prosthetic feet has been analyzed in several studies during running. The purpose of this study was a biomechanical analysis of the influence of SACH and Dynamic-Response foot on several kinetic variables in the st...
Purpose: The purpose of this study is to examine the differences of kinetic and kinematic variables in middle-aged women with genu varum and normal knee angle during walking and running. Methods: Eight middle-aged women with genu varum (age: 45.12 ±12.74 y, height: 160.62 ± 5.26 cm, weight: 71.75 ± 16.38 kg, right tibiofemoral angle: -4 ± 3.9, left tibiofemoral angle: -5.1 ± 4.6) and 7 wi...
Background and Objectives: The prevalence of flexible flat foot in children was reported between 20 -78% in previous studies. Flat foot can result into mechanical deviations in lower limb alignment during walking. The purpose of this study was to evaluate the immediate effects of medical insole on loading rate, impulse, and free moment in children with flat foot during walking. Material and M...
Background & Aim: Genu varum is one of the most common abnormalities of the knee joint in which the inner condyles of the femur move away from each other. The aim of the present study was to compare efficiency of exercise on the treadmill and ground on the ground reaction forces during walking in people with genu varum. Material & Methods: The present study was a quasi-experimental and laborat...
Aims and background: Jumping and landing are common exercises in sports activities which are associated with injury of the anterior cruciate ligament. The purpose of this study was to investigate the effect of using a knee brace on peak ground reaction forces amplitudes, vertical loading rate, impulses in three dimensions and peak free moment values during landing in athletes with anterior cr...
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