While quads often get more attention in lower body routines, hamstrings are just as important for achieving uniform muscle development. These muscles, located at the back of the thigh, play a vital ...

They consist of three main muscles: the semitendinosus, the semimembranosus, and the biceps femoris. These muscles are ...

Deep Longitudinal Subsystem - Find out how the erector spinae, thoracolumbar fascia, sacrotuberous ligament, biceps femoris, and fibula ...