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2025-02-18T04:49:57Z

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			<gallery>
			File:Supraspinous_fossa_of_left_scapula01.png\|Supraspinous fossa of left scapula
			File:Supraspinous_fossa_of_scapula01.png\|Supraspinous fossa of scapula
			File:Posterior_surface_of_scapula.jpg\|Posterior surface of scapula
			File:Supraspinous_fossa_of_left_scapula_-_animation01.gif\|Supraspinous fossa of left scapula - animation
			File:Supraspinous_fossa_of_scapula_-_animation02.gif\|Supraspinous fossa of scapula - animation
			</gallery>

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2024-03-04T23:40:34Z

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'''Supraspinous fossa''' is a feature of the [[scapula]], one of the bones in the [[human skeleton]]. It is a shallow, concave surface located on the posterior aspect of the scapula, above the [[spine of the scapula]].

== Anatomy ==

The supraspinous fossa is bounded by the superior border of the scapula and the scapular spine. It is smaller than the [[infraspinous fossa]], which is located below the scapular spine. The supraspinous fossa is covered by the [[supraspinatus muscle]], one of the four muscles of the [[rotator cuff]].

The supraspinatus muscle originates from the supraspinous fossa. From there, it extends laterally, passing beneath the [[acromion]] and the [[coracoacromial ligament]] to attach to the superior aspect of the [[greater tubercle]] of the [[humerus]].

== Function ==

The supraspinous fossa serves as the origin for the supraspinatus muscle. This muscle plays a crucial role in the stability and mobility of the [[shoulder joint]]. It helps to resist downward forces that are applied to the shoulder joint, and also assists in abduction of the arm – that is, moving the arm away from the body.

== Clinical significance ==

Injuries or conditions that affect the supraspinous fossa can have significant implications for shoulder function. For example, a [[fracture]] of the scapula that extends into the supraspinous fossa could potentially disrupt the attachment of the supraspinatus muscle, leading to weakness or loss of function in the shoulder. Similarly, [[osteoarthritis]] or other degenerative conditions that affect the shoulder can lead to changes in the supraspinous fossa and associated muscles.

[[Category:Anatomy]]
[[Category:Orthopedics]]
{{anatomy-stub}}

Supraspinous fossa - Revision history

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