BICEPS FEMORIS (SHORT HEAD)
Joint Action performed by the Knee
- Flexion
- External rotation
Origin: Femur (posterior) – A. Linea aspera B. Lateral condylar ridge
Insertion: 1. Tibia – Lateral condyle
- Fibula – Head
SEMITENDINOSuS
Joint Action performed by the Knee
- Flexion
- Internal rotation
Joint Action performed by the Hip
- Extension
Origin: Ischium – Ischial tuberosity
Insertion: Tibia – Medial condyle
SEMIMEMBRANOSuS
Joint Action performed by the Knee
- Flexion
- Internal rotation
Joint Action performed by the Hip
- Extension
Origin: Ishium – Ishial tuberosity
Insertion: Tibia – Medial condyle