1. Semitendinosus Origin Ischial tuberosity Insertion Upper medial surface of shaft of tibia Action - Knee flexion
- Medial hip rotation
- Hip extension
2. Semimembranosus Origin Ischial tuberosity Insertion Medial condyle of tibia Action - Knee flexion
- Medial hip rotation
- Hip extension
3. Biceps Femoris - Long Head Origin Ischial tuberosity Insertion Lateral condyle of tibia and head of fibula Action - Knee flexion
- Lateral hip rotation
- Hip extension
4. Biceps Femoris - Short Head Origin Femur linea aspera Insertion Lateral condyle of tibia and head of fibula Action - Knee flexion
- Lateral hip rotation
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