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Mechanical Engineering Commons

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University of Tennessee, Knoxville

2012

Biarticular

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Full-Text Articles in Mechanical Engineering

Biarticular Muscles Influence Postural Responses: Implications For Treatment Of Stiff-Knee Gait, Ashley Elizabeth Clark May 2012

Biarticular Muscles Influence Postural Responses: Implications For Treatment Of Stiff-Knee Gait, Ashley Elizabeth Clark

Masters Theses

Stiff knee gait is a prevalent and troublesome movement disorder among children with cerebral palsy, where peak knee flexion is diminished during swing phase. Rectus femoris transfer surgery, a common treatment for stiff-knee gait, reattaches the distal tendon of this biarticular, or two joint, muscle to a new site, such as the sartorius insertion on the tibia. Biarticular muscles play a unique role in motor control. As a biarticular muscle, rectus femoris may offer unrecognized benefits to maintain balance. This study uses musculoskeletal modeling and simulation to investigate the role of this biarticular muscle on balance recovery following support-surface translations ...