There was, however, a significant difference between the PFPS and control groups in lower limb extension isokinetic peak torque percentage differences indicating the existence of muscular dysfunction ...

When your lower-leg muscles are in shape ... your doctor and a fitness expert at a gym to ensure you stay safe. Muscle atrophy can happen quickly — within a few weeks of not using your muscles.

"Building and maintaining leg strength is important as [you] age because when [you] get older, your muscles atrophy (shrink .