THE SHOULDER GIRDLE Chapter 4 THE BONES Clavicle

THE SHOULDER GIRDLE Chapter 4

THE BONES

Clavicle

Scapula

Scapula – Posterior View 1. 2. 3. 4. 5. Acromion process Spine Superior angle Inferior angle Medial (Vertebral) border 6. Lateral (Auxiliary) border 7. Supraspinous fossa 8. Infraspinous fossa 3. 1. 7. 2. 8. 5. 6. 4.

Scapula – Anterior View 1. Acromion process 2. Coracoid process 3. Glenoid fossa or cavity 4. Inferior angle 5. Superior angle 6. Medial (Vertebral) border 7. Lateral (Auxiliary) border 8. Supscapular fossa 1. 2. 5. 3. 8. 6. 7. 4.

Scapula – Proximal (Top) View 1. Acromion process 2. Coracoid process 3. Glenoid fossa or cavity 4. Spine 5. Supraspinous fossa 1. 4. 3. 5. 2.

Scapula – Lateral View 1. Acromion process 2. Coracoid process 3. Glenoid fossa or cavity 4. Superior angle 5. Inferior angle 4. 1. 2. 3. 5.

Can You Name Them?

II. JOINTS AND THEIR ACTIONS

Sternoclavicular joint

Acromioclavicular (AC) joint 1. Elevation 2. Depression 3. Adduction (Retraction) 4. Abduction (Protraction) 5. Upward rotation 6. Downward rotation

Depression/Elevation Protraction/Retraction

Adduction Abduction Left Scapula Right Scapula

Left Scapula Upward Rotation Downward Rotation Right Scapula Upward Rotation Downward Rotation

AC Actions and Muscles § § § § ACTION Elevation Depression Adduction Abduction Upward rotation Downward rotation § § § MUSLCE LOCATION Superior Inferior Medial Lateral Depends on the line of pull § Depends on the line of pull