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 ...

For example, the decrease of muscle mass and function, leading to weakness and atrophy. This is a pressing concern in a super-aging society like Japan where—while people live longer—without ...

The primary symptom is weakness of voluntary muscles and wasting away of muscles hence ... affects function of muscles that control chewing, chest wall, arm and leg muscles and the symptoms ...