The quadriceps, or quads, are a group of four muscles on the front of the thigh. They are some of the largest and strongest muscles in the body. The quad muscles allow a person to stand, walk, run, ...

Quadriceps tendinitis often affects athletes, like volleyball and basketball players. However, any active person can develop this injury. The risk is higher if you suddenly increase your physical ...

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 ...