Objective: To investigate atrophy and weakness of the quadriceps femoris muscle group in patients with PFPS using measures of cross-sectional area and peak extension torque. Methods: A total of 57 ...

Interventions were compared using repeated-measures analysis of variance for Kujala Patellofemoral Score, Visual Analogue Scale for ‘worst pain’ and ‘pain with daily activity’, isometric knee extensor ...

Your quads, or quadriceps femoris muscle group, are four separate muscles that run along the front of your thigh between your hip and your knee. It's one of the largest (and strongest) muscle ...

In patients with knee osteoarthritis (OA), pain and dysfunction cause a reflex inhibition on the quadriceps femoral muscle, and quadriceps weakness could accelerate damage to knee cartilage.