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 ...

Conclusions Low elasticity of the rectus femoris and iliopsoas as a specific risk factor for the development of OSD in youth athletes was statistically significant (p = 0.05). General risk factors of ...

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 ...