Bone
Scapula
Shoulder blade
High-yield
Glenoid cavity articulates with the humeral head; the spine ends laterally as the acromion. Winging reveals serratus anterior weakness.
Overview
A flat triangular bone on the posterolateral thoracic wall that links the humerus to the clavicle and provides broad attachment for shoulder muscles.
Reference facts
- Bone type
Flat
- Key landmarks
Glenoid cavity; Coracoid process; Acromion; Spine of scapula; Supraspinous and infraspinous fossae; Subscapular fossa; Superior, medial, and lateral borders; Inferior angle
- Articulations
Humerus (glenohumeral joint); Clavicle (acromioclavicular joint)