Difference between revisions of "MUSCLES-TRICEPS"
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[[Summary Article|<h5>'''SUMMARY'''</h5>]] | [[Summary Article|<h5>'''SUMMARY'''</h5>]] | ||
<br/><i>1. Long head - </i>arises from the infraglenoid tubercle. | <br/><i>1. Long head - </i>arises from the infraglenoid tubercle. | ||
<br/><i>2. Lateral head - </i>arises from the back of the humerus, extending from the surgical neck to the deltoid insertion. | <br/> <i>2. Lateral head - </i>arises from the back of the humerus, extending from the surgical neck to the deltoid insertion. | ||
<br/><i>3. Medial head - </i>arises from the medial side of the radial groove & lower posterior surface of the humerus & bilateral intermuscular septae. | <br/><i>3. Medial head - </i>arises from the medial side of the radial groove & lower posterior surface of the humerus & bilateral intermuscular septae. | ||
<br/><i>4. Insertion - </i>into the olecranon. | <br/><i>4. Insertion - </i>into the olecranon. | ||
Revision as of 12:45, 27 December 2022
SUMMARY
1. Long head - arises from the infraglenoid tubercle.
2. Lateral head - arises from the back of the humerus, extending from the surgical neck to the deltoid insertion.
3. Medial head - arises from the medial side of the radial groove & lower posterior surface of the humerus & bilateral intermuscular septae.
4. Insertion - into the olecranon.
5. Nerve supply - radial nerve. Arterial supply - profunda brachii a. (branch of the brachial a.)
6. Action - extensor of the elbow, also assists in extending the shoulder joint.
7. The radial n. & profunda brachii a. pass b/w the lateral & medial heads of the triceps.
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.
