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.

Lower limb peak torque was also measured ... the existence of muscular dysfunction in the affected leg not related to muscle size. These results help to re-appraise the amount of quadriceps atrophy in ...

"Building and maintaining leg strength is important as [you] age because when [you] get older, your muscles atrophy (shrink ... Press your hips back as you lower into a squat.