Supraspinatus
Original Editor - Wendy Walker
Lead Editors - Andeela Hafeez, Wendy Walker, Kim Jackson, Kai A. Sigel, George Prudden, Joao Costa, Admin, Rachael Lowe, Naomi O'Reilly, WikiSysop and Aya Alhindi
Description[edit | edit source]
Supraspinatus is the smallest of the 4 muscles which comprise the Rotator Cuff of the shoulder joint.
It travels underneath the acromion.
Origin[edit | edit source]
Supraspinatus fossa of the scapula.
Insertion[edit | edit source]
Greater tuberosity of the humerus, superior facet.
Nerve Supply[edit | edit source]
Suprascapular Nerve, C5 & 6, superior trunk of the brachial plexus.
Blood Supply[edit | edit source]
Suprascapular Artery.
Action[edit | edit source]
It abducts the arm from 0 to 15 degrees, when it is the main agonist, then assists deltoid to produce abduction beyond this range up to 90 degrees.
Function[edit | edit source]
Resources[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
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