Hip extensors
see Thigh movements
gluteus maximus; semimembranosus, semitendinosus and biceps femoris (the hamstrings)
arterial supply
inferior gluteal artery, deep femoral artery
innervation
sciatic nerve L4-S3
| Muscle | Origin | Insertion | Action |
|---|---|---|---|
| Semimembranosus | ischial tuberosity | medial surface of superior portion of tibia | knee flexion hip extension |
| Semitendinosus | ischial tuberosity | medial surface of superior portion of tibia | knee flexion hip extension |
| Biceps femoris | long head: ischial tuberosity short head: linea aspera + lateral supracondylar line |
lateral side of head of fibula | - long head: hip extension - knee flexion - lateral rotation of tibia when knee flexed |