The gastrocnemius muscle is one of the main muscles of the lower leg. It gives the calf of the leg its rounded, bulging appearance. The gastrocnemius is on the posterior, or back, side of the leg.

You don't have to be a professional football player to need strong calf muscles. When your lower-leg muscles are in shape, they help you move and feel better. The calf muscle actually refers to ...

It’s the area that runs from the hip to the knee in each leg. The quadriceps are four muscles located on the front of the thigh. They allow the knees to straighten from a bent position.

One spot typically overlooked (and improperly trained) than others: the calf muscles. If you want to build a strong lower body—and even if you want to boost your athleticism and resilience—it ...