Motions of Scapula and Shoulder

Scapular Motions

Elevation- Upper trapezius, levator scapula

Depression- Lower/middle trapezius, serratus anterior

Adduction- Middle trapezius, rhomboid minor/major

Abduction- Serratus anterior

Abduction w/ upward rotation- Serratus anterior

Adduction w/ downward rotation- Levator scapula, middle trapezius, rhomboids minor/major

Shoulder Flexion

Anterior deltoid

Shoulder Extension

Posterior deltoid

Latissimus dorsi

Teres major

Triceps brachii

Shoulder Abduction

Middle deltoid

Supraspinatus

Shoulder Adduction

Motion only, gravity aided

Shoulder Horizontal Abduction

Posterior deltoid

Shoulder Horizontal Adduction

Pectoralis major

Anterior deltoid

Shoulder External Rotation

Infraspinatus

Teres minor

Shoulder Internal Rotation

Subscapularis

Pectoralis major

Latissimus dorsi

Teres major