Full Gastrocnemius Muscle (Lateral Belly) Description
[Continued from above] . . . tendon) - via an aponeurosis formed in conjunction with the soleus muscle - the gastrocnemius pulls the heel, drawing it upward and thereby extending the toe of the foot in a downward direction, allowing the foot to push off from the ground. To a lesser extent, it helps bend the knee joint, flexing the entire leg. The gastrocnemius muscle begins at the back of the knee between the kneecap (patella) and the femur of the upper leg.