POSTERIOR COMPARTMENT OF ARM-TRICEPS

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SUMMARY


1. O: long head - infraglenoid tubercle of scapula. Lateral head - upper half of posterior surface of humerus. Medial head - distal 2/3 of medial, posterior surfaces of the humerus & bilateral intermuscular septae. 
2. I: posterior surface of olecranon process. 
3. NS: radial n.
4. A: extends elbow. 
Gray412.png
Image: Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/ [Accessed 21 Apr. 2019]. 

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.