The peroneus longus muscle (or fibularis longus) is a major mover and stabilizer of your foot and ankle. The muscle runs down ...

The hamstring muscles are responsible for your hip and knee movements in walking, squatting, bending your knees, and tilting your pelvis. Hamstring muscle injuries are the most common sports injury.

Quadriceps are a group of four muscles located at the front of your thigh. Your quadriceps are some of the largest and strongest muscles in your body. Share on Pinterest peterdharwood/Getty Images ...