Surgical Neck of the Humerus
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Surgical Neck of the Humerus
Surgical neck of the humerus
HumerusFront.png
Left humerus. Anterior view. (Surgical neck labeled at upper left.)
Details
Precursor.......
Identifiers
Latincollum chirurgicum humeri
TAA02.4.04.004
FMA23359
Anatomical terminology

The surgical neck of the humerus is a constriction below the tubercles of the greater tubercle and lesser tubercle, and above the deltoid tuberosity.

It is much more frequently fractured than the anatomical neck of the humerus. A fracture in this area is most likely to cause damage to the axillary nerve and posterior circumflex humeral artery. Damage to the axillary nerve affects function of the teres minor and deltoid muscles, resulting in loss of abduction of arm (from 15-90 degrees), weak flexion, extension, and rotation of shoulder as well as loss of sensation of the skin over a small part of the lateral shoulder.

Anatomical Neck vs Surgical Neck of Humerus
Neck of Humerus

See also

References

This article incorporates text in the public domain from page 209 of the 20th edition of Gray's Anatomy (1918)

External links

  • Anatomy image: skel/humerusup2 at Human Anatomy Lecture (Biology 129), Pennsylvania State University
  • "Surgical neck of humerus". Medcyclopaedia. GE. Archived from the original on 2007-06-20.
  • radiographsul at The Anatomy Lesson by Wesley Norman (Georgetown University) (xrayleftshoulder)



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Surgical_neck_of_the_humerus
 



 



 
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