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18 terms

Osteology of the Clavicle and Scapula

6.4.1
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Sternal (Medial) End
Rounded end that articulates with the sternum to form the S-C joint
Acromial (Lateral) End
Flat surface that articulates with the acromion process of the scapula to form the A-C joint
Scapula
(Commonly known as the shoulder blade)
Large, flat, triangular bone
Lies on the posterior lateral aspect of the thorax and extends from the 2nd to the 7th rib
What does the term coracoid mean?
Like a crow's beak.
Acromion Process
Flattened lateral aspect that articulates with the lateral end of the clavicle to form the A-C joint
Coracoid Process
"Beaklike" process that arises below and anterior to the Acromion process
Serves for muscle and ligament attachment
Can be palpated
Glenoid fossa
Depression on the lateral surface
Articulation for the humeral head to form the shoulder or glenohumeral joint
Subscapular fossa
Depression on the lateral surface
Articulation for the humeral head to form the shoulder or glenohumeral joint
Scapular spine
Long ridge-like raised area on the posterior superior aspect
Terminates laterally in the flattened structure known as the Acromion process
Supraspinous fossa
Located just superior to the scapular spine
Infraspinous fossa
Located just inferior to the scapular spine
Axillary border
Lateral border
Vertebral border
Border nearest the spine
Superior border
Top of the scapula
Inferior angle
Formed by the junction of the axillary and vertebral borders
Lateral angle
Angle formed by the superior and axillary borders.
Medial angle
Formed by the superior and vertebral borders
What angle formed by the superior and axillary borders of the scapula?
Lateral Angle