The bicep femoris is one of the muscles located in the back of your thigh, making up part of the hamstring. This muscle has one attachment in your hip bone and another attachment to the femur bone. Both heads of the muscle originate near the knee.
The bicep femoris muscle helps with knee flexion, internal and external rotation, and hip extension.
When It’s Tight:
- Possible pain in buttock
- Possible pain or tightness in knee
How To Stretch:
- Stand and Touch Toes
- Hurdler Stretch
- Figure Four Stretch
The bicep femoris is most commonly injured in sports that require explosive bending of the knee, like with sprinting.