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Scapula

 
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Muscular attachment

 

Supraspinatus

Infraspinatus

Teres minor

Triceps brachii (long head)

Latissimus dorsi

Levator scapulae

Rhomboideus minora

Rhomboideus major

Deltoid-
Trapezius
Deltoid

 

Attachments of costal surface
Subscapularis

Omohyoid

Serratus anterior

Biceps brachii (short head)

Coracobrachialis

Pectoralis minor

 

Scapula is called the shoulder blade.  It is placed behind the rib cage laterally and covers the 2nd to 7th ribs.  It is held in position by muscles, which move the glenoid cavity and therefore the shoulder (gleno-humeral) joint. It is triangular in shape. It has three (superior, inferior, lateral) angles, three borders (lateral, medial, superior ) and two (costal and dorsum) surfaces. It also carries two (coracoid, acromion) processes and a spine

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The scapula articulates with the humerus at the glenoid cavity which is an extension of its lateral angle.  The lateral angle is provided with a neck which joins the glenoid cavity. There are two notches which flank the glenoid cavity; supraglenoid and infraglenoid notches.

 

Features of scapula

Subscapular fossa
Acromion
Glenoid cavity
Body of scapula
Coracoid process
Deltoid tubercle of scapula
Inferior angle of scapula
Lateral angle of scapula
Infraspinous fossa
Spine of scapula
Crest of spine of scapula
Spinoglenoid notch
Superior angle of scapula
Supraglenoid tubercle
Infraglenoid tubercle
Suprascapular foramen
Suprascapular notch
Supraspinous fossa
Fracture of acromion
Fracture of body of scapula
Fracture of coracoid process
Fracture of glenoid cavity

 

Costal (anterior) surface

Dorsum (posterior surface)

     

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Scapular dissection video     Scapular layers links    Electronic dissector    Structure locator
Video dissector of scapular region REGIONAL LOCATOR OF SCAPULAR REGION:  Layer 1 Layer of skin of scapular region. Layer 2 Layer of superficial fascia of scapular region. Layer 3 Layer of deep fascia. Layer 4 Layer of superficial layer of muscles. Layer 5 Layer of intermediate layer of muscles. Layer 6  Deep layer of muscles. Layer 7 Layer of bones scapular region.  Rollover mouse to label; click to display page.

 

 

 

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