Inner lip of the proximal half of the iliac crest

Coracoid process of the scapula

Inferior angle of the scapula

Lateral aspects of thoracolumbar fascia

The spinous process and ligamentous attachments of the lower six thoracic vertebrae and all five lumbar vertebrae

Superior glenoid tubercle of the humerus

Medial aspects of thoracolumbar fascia

Acromion of the scapula

Outer lip of the distal lip of the iliac crest

Outer surface of the lower three/four ribs

Sacrum

Deltoid tuberosity of the humerus

Lesser tubercle of the humerus

Greater tubercle of the humerus

Intertubercular groove of the humerus

Thoracodorsal nerve (C6, C7, C8)

Medial pectoral nerve (C6, C7)

Dorsal scapular nerve (C4, C5, C6)

Musculocutaneous nerve (C5, C6)

Shoulder adduction

Shoulder medial rotation

Shoulder extension

Shoulder abduction

Shoulder flexion

Shoulder lateral rotation