24+ Shoulder Scapula Bone Anatomy

24+ Shoulder Scapula Bone Anatomy. The body of the blade is here, mostly deep below the surface, except this medial ridge. In anatomy, the scapula (plural scapulae or scapulas), also known as the shoulder bone, shoulder blade, wing bone or blade bone, is the bone that connects the humerus (upper arm bone).

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We can simplify it as a triangle that's about a cranial unit high, and about a cranial unit wide, and the scapula is all one bone, but for artists, it has two distinct sections. The resting position of the scapula covers the second to seventh ribs, and the vertebral border is approximately 2 inches from the midline. The shoulder joint (glenohumeral joint) is a ball and socket joint between the scapula and the humerus.

The scapula is a large, flat triangular bone with three processes called the acromion, spine and coracoid process.

You may also see this referred to as the pectoral girdle in some textbooks. In shoulder abduction, the scapulohumeral movement is in the ratio of 2:1. About eight shoulder muscles attach to the shoulder blade (scapula), upper arm (humerus), and collar bone (clavicle). It is responsible for stabilizing.


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