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Superior gemellus
Other Terms:
Gemellus superior,
Superior gemellus,
Musculus gemellus superior,
Muscle jumeau supérieur
Muscle parts
None
Latin name
musculus gemellus superior
Latin muscle parts
None
Group
Hip joint muscle – deep hip rotator group
Etymology
The English name of this muscle is the upper little twin muscle. The word gemellus is Latin for “little twin.” It comes from the Latin geminus meaning “twin” and the diminutive ending –llus or “little.”The Latin word superior comes from the Latin superus meaning “upper.”
Origin
Dorsal surface of the spine of the ischium.
Insertion
Joins the upper edge of the obturator internus tendon to the medial surface of the greater trochanter of the femur.
Action
Lateral rotation of the hip joint; helps abduct a flexed thigh.
Nerve supply
Nerve to obturator internus (L5 and S1)
Blood supply
Blood supply is from the internal iliac artery via the superior and inferior gluteal arteries and the internal pudendal artery.
Latin
Musculus gemellus superior
French
Muscle jumeau supérieur