Difference between revisions of "MUSCLES-TRICEPS"

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[[Summary Article|<h5>'''SUMMARY'''</h5>]]
===== [[Summary Article|'''SUMMARY''']] =====
<br/><i>1. Long head - </i>arises from the infraglenoid tubercle. 
<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 &amp; lower posterior surface of the humerus &amp; bilateral intermuscular septae.
<br/><i>4. Insertion - </i>into the olecranon.
<br/>
<br/><i>5. Nerve supply - </i>radial nerve. <i>Arterial supply - </i>profunda brachii a. (branch of the brachial a.)
<br/><i>4. Insertion: </i>into the olecranon.
<br/><i>6. Action - </i>extensor of the elbow, also assists in extending the shoulder joint. 
<br/><i>5. Nerve supply: </i>radial nerve. <i>Arterial supply - </i>profunda brachii a. (branch of the brachial a.)
<br/><i>7. The radial n. & profunda brachii a.  pass b/w the lateral & medial heads of the triceps. </i>
<br/><i>6. Action: </i>extensor of the elbow, also assists in extending the shoulder joint.  
<br/><i>7. The radial n. &amp; profunda brachii a. pass between the lateral &amp; medial heads of the triceps. </i>
<br/>
<br/>[[Image:Gray412.png]]
<br/>[[Image:Gray412.png]]
<br/><b>Image: </b>Gray, Henry. <i>Anatomy of the Human Body.</i> Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. [https://www.bartleby.com/107/ www.bartleby.com/107/] [Accessed 21 Apr. 2019].  
<br/>
<br/><b>Image: </b>Gray, Henry. <i>Anatomy of the Human Body.</i> Philadelphia: Lea &amp; Febiger, 1918; Bartleby.com, 2000. [https://www.bartleby.com/107/ www.bartleby.com/107/] [Accessed 21 Apr. 2019].
 


==Reference(s)==
==Reference(s)==

Latest revision as of 18:52, 8 January 2023

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 between the lateral & medial heads of the triceps.

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.