Origin

Ischial tuberosity

Insertion

Obturator internus tendon

Action(s)

Rotates laterally thigh

Nerve Supply

Nerve to quadratus femoris (L4-S1)

Arterial Supply

Inferior gluteal artery

Physical Exam

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Clinical Importance

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Disease States

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Discussion

The inferior gemellus muscle is a muscle of the human body. The Gemelli are two small muscular fasciculi, accessories to the tendon of the Obturator internus which is received into a groove between them.

The Gemellus inferior arises from the upper part of the tuberosity of the ischium, immediately below the groove for the Obturator internus tendon. It blends with the lower part of the tendon of the Obturator internus, and is inserted with it into the medial surface of the greater trochanter. Rarely absent.

Figures

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Credits:

From Wikipedia:
Inferior gemellus

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Inferior gemellus.png (image/x-png)