Coccygeus muscle
(Redirected from Coccygeus)
Coccygeus muscle | |
---|---|
File:Gray318.png | |
Details | |
Origin | Ischial spine |
Insertion | Sacrum and coccyx |
Artery | Inferior gluteal artery |
Nerve | S4 and S5 nerves |
Actions | Supports pelvic viscera |
Identifiers | |
Latin | Musculus coccygeus |
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TH | {{#property:P1694}} |
TE | {{#property:P1693}} |
FMA | {{#property:P1402}} |
Anatomical terms of muscle [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] |
The coccygeus muscle (also known as the ischiococcygeus) is a muscle of the pelvic floor. It is part of the levator ani group of muscles and plays a role in supporting the pelvic viscera.
Anatomy[edit | edit source]
The coccygeus muscle originates from the ischial spine and inserts into the lateral margins of the lower sacrum and upper coccyx. It is situated posterior to the levator ani muscle and is often considered part of the pelvic diaphragm.
Innervation[edit | edit source]
The coccygeus muscle is innervated by the anterior rami of the S4 and S5 spinal nerves.
Blood Supply[edit | edit source]
The muscle receives its blood supply from the inferior gluteal artery.
Function[edit | edit source]
The primary function of the coccygeus muscle is to support the pelvic viscera. It also helps to stabilize the sacroiliac joint and may assist in flexing the coccyx.
Clinical Significance[edit | edit source]
Weakness or dysfunction of the coccygeus muscle can contribute to conditions such as pelvic organ prolapse and coccygodynia (pain in the coccyx region). Strengthening exercises for the pelvic floor muscles, including the coccygeus, are often recommended for individuals with these conditions.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD