Here, you will find anatomy for the triceps coxae, which consists of the obturator internus, gemellus superior, and gemellus inferior.
These three muscles were originally grouped as a single muscle. Like the triceps brachii, they have a common insertion and function. Later, they were separated because of different origins and innervation. According to one study, the innervation of these muscles is quite variable.
The name “triceps coxae” refers to the muscular structure created by the obturator internus, gemellus superior, and gemellus inferior muscles.
There are a few common anomalies in the studies that I reviewed. First, the origin may attach more superiorly to the ischium than the ischial spine. Second, there are mentions of an occasional second belly of the muscle. There are other studies of single cases with anomalies like an absence of both gemelli.
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Tony Preston has a practice in Atlanta, Georgia, where he sees clients. He has written materials and instructed classes since the mid-90s. This includes anatomy, trigger points, cranial, and neuromuscular.
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