Infraglenoid_tubercle

Infraglenoid tubercle

Infraglenoid tubercle

Part of the scapula from which the long head of the triceps brachii originates

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.

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Function

The 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

  • 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

References

Public domain This article incorporates text in the public domain from page 205 of the 20th edition of Gray's Anatomy (1918)

  1. [1]
    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.
  2. [2]
    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.
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