Biceps Femoris is one of the three muscles which form the hamstring group forming the back of the thigh. The muscle is often described as having a long head (the attachment from the ischium) and a short head (attached to the femur).
- Tuberosity of the ischium.
- Lower 1/2 of the linea aspera of the femur.
- Lateral supracondylar ridge.
- Lateral condyle of the tibia.
- Head of the fibula.
- Hip extension.
- Knee flexion.
- Lateral rotation of the hip when the knee is flexed.
- Tibial part of the sciatic nerve.
- Bending the knee to step over something.