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Spine of Scapula

Medically reviewed by: Stephanie Curreli, MD, PhD
Last Updated: Jun 10, 2015

The spine of the scapula divides its back surface into unequal portions. This spine leads to a head, that bears two processes - the acromion process that forms the tip of the shoulder and a coracoid process that curves forward and down below the clavicle (collarbone). The acromion, a bony prominence at the top of the shoulder blade, joins the clavicle and provides attachments for muscles of the arm Continue Scrolling To Read More Below...

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Continued From Above... and chest muscles. On the head of the scapula, between the processes mentioned above, is a depression called the glenoid cavity. It joins with the head of the upper arm bone (humerus).