Difference between revisions of "MUSCLES-ROTATOR CUFF, PART 1"
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<br/><b>Image: </b>By National Institute Of Arthritis And Musculoskeletal And Skin Diseases (NIAMS); SVG version by [ | <br/><b>Image: </b>By National Institute Of Arthritis And Musculoskeletal And Skin Diseases (NIAMS); SVG version by [Angelito7 Angelito7] - [Shoulderjoint.PNG Shoulderjoint.PNG], Public Domain, [https://commons.wikimedia.org/w/index.php?curid=29907860 Link] [Accessed 16 Apr. 2020]. | ||
==Reference(s)== | ==Reference(s)== | ||
Revision as of 00:45, 25 December 2022
SUMMARY
2. SUBSCAPULARIS - arises from the medial 4/5 of the costal surface of the scapula & concave axillary border of scapula & intermuscular septa. Inserted to the lesser tuberosity of the humerus & medial lip of the intertubercular groove. The muscle is separated from the bare area of the lateral angle of the scapula by a subscapular bursa, which communicates laterally with the cavity of the shoulder joint. Supplied by the upper & lower subscapular nerves (C5 + C6). Medial rotator of the humerus.
MNEMONIC - SSIT!
1. SUPRASPINATUS - arises from the medial 3/4 of the supraspinous fossa & upper surface of the scapular spine. Inserted into the upper facet of the greater tuberosity. A bursa separates it from the lateral 1/4 of the supraspinous fossa. Supplied by the suprascapular nerve (C5 + C6). Abducts the shoulder (first 15 degrees).
Image: By National Institute Of Arthritis And Musculoskeletal And Skin Diseases (NIAMS); SVG version by [Angelito7 Angelito7] - [Shoulderjoint.PNG Shoulderjoint.PNG], Public Domain, Link [Accessed 16 Apr. 2020].
Reference(s)
R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone.
Gray, H., Carter, H.V. and Davidson, G. (2017). Gray’s anatomy. London: Arcturus.
