Muscle
Inferior gemellus
Lateral rotator (with obturator internus)
High-yield
Shares the nerve to quadratus femoris; assists lateral rotation.
Overview
A small muscle below the obturator internus tendon assisting lateral rotation of the hip.
Reference facts
- Origin
Ischial tuberosity
- Insertion
Medial surface of the greater trochanter (with obturator internus tendon)
- Action
Laterally rotates the extended thigh; abducts the flexed thigh
- Innervation
Nerve to quadratus femoris (L4, L5, S1)
- Blood supply
Inferior gluteal / medial femoral circumflex arteries