The infraglenoid tubercle is the part of the
scapula from which the long head of the
triceps brachii muscle
The triceps, or triceps brachii (Latin for "three-headed muscle of the arm"), is a large muscle on the back of the upper limb of many vertebrates. It consists of 3 parts: the medial, lateral, and long head. It is the muscle principally responsibl ...
originates. The infraglenoid tubercle is a
tubercle located on the
lateral part of the scapula,
inferior
Inferior may refer to:
* Inferiority complex
* An Anatomical terms of location#Superior and inferior, anatomical term of location
* Inferior angle of the scapula, in the human skeleton
*Inferior (book), ''Inferior'' (book), by Angela Saini
* ''The ...
to (below) the
glenoid cavity. The name infraglenoid tubercle refers to its location below the glenoid cavity.
Function
The infraglenoid tubercle is the origin of the long head of the
triceps brachii muscle
The triceps, or triceps brachii (Latin for "three-headed muscle of the arm"), is a large muscle on the back of the upper limb of many vertebrates. It consists of 3 parts: the medial, lateral, and long head. It is the muscle principally responsibl ...
.
It helps to stabilise the muscle origin.
Additional images
File:Infraglenoid tubercle of left scapula - animation.gif, Left scapula. Infraglenoid tubercle shown in red.
File:Infraglenoid tubercle of scapula - animation01.gif, Animation. Infraglenoid tubercle shown in red.
File:Infraglenoid tubercle of left scapula01.png, Lateral view of left scapula. Infraglenoid tubercle shown in red.
File:Scapula ant numbered.png, Anterior surface of left scapula. Infraglenoid tubercle is "11"
File:Infraglenoid tubercle of left scapula03.png, Anterior surface of left scapula. Infraglenoid tubercle shown in red.
See also
*
Supraglenoid tubercle
The supraglenoid tubercle is a region of the scapula from which the long head of the biceps brachii muscle originates. It is a small, rough projection superior to the glenoid cavity near the base of the coracoid process. The term supraglenoid is ...
References
External links
* - "Axillary Region: Scapula (Left)"
* ()
Scapula
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