The infraglenoid tubercle is the part of the scapula from which the long head of the triceps brachii muscle originates. The infraglenoid tubercle is a tubercle located on the lateral part of the scapula, inferior to (below) the glenoid cavity. The name infraglenoid tubercle refers to its location below the glenoid cavity.
| Infraglenoid tubercle | |
|---|---|
 Lateral view of left scapula (infraglenoid tubercle labeled at center right) | |
| Details | |
| Identifiers | |
| Latin | tuberculum infraglenoidale |
| TA98 | A02.4.01.021 |
| TA2 | 1164 |
| FMA | 23266 |
| Anatomical terms of bone | |
Function
editThe infraglenoid tubercle is the origin of the long head of the triceps brachii muscle.[1][2] It helps to stabilise the muscle origin.[1]
Additional images
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Left scapula. Infraglenoid tubercle shown in red. -
Animation. Infraglenoid tubercle shown in red. -
Lateral view of left scapula. Infraglenoid tubercle shown in red. -
Anterior surface of left scapula. Infraglenoid tubercle is "11" -
Anterior surface of left scapula. Infraglenoid tubercle shown in red.
See also
editReferences
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This article incorporates text in the public domain from page 205 of the 20th edition of Gray's Anatomy (1918)
- ^ a b Nasu, Hisayo; Baramee, Phichaya; Kampan, Natnicha; Nimura, Akimoto; Akita, Keiichi (2019-03-01). "An anatomic study on the origin of the long head of the triceps brachii". JSES Open Access. 3 (1): 5–11. doi:10.1016/j.jses.2019.01.001. ISSN 2468-6026. PMC 6443837. PMID 30976729.
- ^ Handling, Matthew A.; Curtis, Alan S.; Miller, Suzanne L. (2010-01-01). "The origin of the long head of the triceps: A cadaveric study". Journal of Shoulder and Elbow Surgery. 19 (1): 69–72. doi:10.1016/j.jse.2009.06.008. ISSN 1058-2746. PMID 19748801.
External links
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Wikimedia Commons has media related to Infraglenoid tubercle.
- Anatomy photo:05:os-0215 at the SUNY Downstate Medical Center - "Axillary Region: Scapula (Left)"
- radiographsul at The Anatomy Lesson by Wesley Norman (Georgetown University) (xrayleftshoulder)
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