Joint Torques and Tibiofemoral Joint Reaction Force in the Bodyweight “Wall Squat” Therapeutic Exercise

Applied Sciences

Samuele Contemori¹  Andrea Biscarini²  Roberto Panichi²  Cristina V. Dieni³ 

[1] Centre for Sensorimotor Performance, School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane 4072, Australia;Department of Experimental Medicine, Section of Physiology and Biochemistry, University of Perugia, 06132 Perugia, Italy;Department of Ophthalmology, University of Alabama at Birmingham, Birmingham, AL 35294, USA;

关键词: lower limb;    biomechanics;    rehabilitation;    joint load;    knee;    ACL;   

DOI  :  10.3390/app10093019

来源: DOAJ

【 摘 要 】

This study provides a biomechanical analysis of the bodyweight wall-squat exercise considering four exercise variants: knee angle; horizontal hip-ankle distance (d); shift between the rearfoot and forefoot of the centre of pressure (x_GR) of the ground reaction force; back supported via the scapular or pelvic zone. The ankle and hip angles corresponding to a given knee angle can be modulated, changing the distance d, to manage limitation in lumbopelvic and ankle mobility. The knee-extensor muscles can be overloaded (250 Nm muscle torque) with knees flexed at 90°, back supported through the pelvic zone, and feet away from the wall (d = 50 cm). Scapular support, x_GR at forefoot, and d = 50 cm, yield a higher level of muscle-torque for hip-extension (130 Nm) and knee-flexion (65 Nm), with knees at 90° of flexion or near full extension, respectively. Ankle-dorsiflexion (plantarflexion) muscle torque up to 40 Nm is reached with x_GR at the forefoot (rearfoot). This study may aid trainers and therapists to finely modulate the muscle torques (up to the above-mentioned levels) by an appropriate selection of exercise variants for training or rehabilitation purposes. Low levels (60 N) of anterior tibial pull may occur near 25° of knee flexion with xGR at the rearfoot.

【 授权许可】

Unknown