Superior Gemellus
Musculus gemellus superior
The superior gemellus is a small paired muscle that reinforces the obturator internus tendon, contributing to the triceps coxae that externally rotates and stabilizes the hip. It abducts the flexed hip and helps center the femoral head during single-leg loading. It functions as part of the deep-rotator cuff of the hip and is trained through rotational stability work.
- Actions
- Hip external rotation (extended hip), Hip abduction (flexed hip), Hip joint stabilization
- Origin
- Ischial spine
- Insertion
- Medial surface of the greater trochanter via the obturator internus tendon (trochanteric fossa)
- Innervation
- Nerve to obturator internus (L5-S2)
- Blood supply
- Inferior gluteal and internal pudendal arteries
Antagonists Tensor Fasciae Latae