In this video series, sports massage therapist, Ron Vaughn explains how muscles in the legs function and why loosening those muscles (specifically the quads, hamstrings, glutes and related muscles) is important to improve performance. Also Mr. Vaughn explains how to safely exercise with limited chance of injury. This video series explains the proper functioning of the quadriceps, hamstrings, glutes and other muscles surrounding the knee, thighs, butt and hips.
This video specifically examines hamstrings and glutes and includes a great foam roller technique for loosening those muscles. He also addresses pain in the sciatic nerve.