3B: Upper extremity muscles of the shoulder and arm

Muscle?

Deltoideus (Anterior Middle and Posterior)

Anterior action

Shoulder flexion and Internal rotation

Middle action

Shoulder ABDuction

Poserior action

Shoulder extension and External rotation

Muscle

Subscapularis

Subscapularis Action

Shoulder internal rotation

Muscle?

Supraspinatus

Supraspinatus action

Assists with shoulder ABDuction

Muscle?

Infraspinatus

Infraspinatus Action

Shoulder External rotation

Muscle?

Teres minor

Teres minor Action

Shoulder external rotation, extension and ADDuction

Muscle?

Teres major

Teres major action

Shoulder extension, ADDuction and internal rotation

What are the rotator cuff muscles

SITS

• Subscapularis

• Infraspinatus

• Teres Minor

• Supraspinatus

Muscle?

Coracobrachialis

Coracobrachialis action

Shoulder flexion and ADDuction

Muscle?

Biceps Brachii

Biceps Brachii action

Elbow flexion, Shoulder flexion and wrist Suppination

Muscle?

Brachialis

Brachialis action

Elbow flexion

Muscle?

Triceps brachii

Triceps brachii action

Elbow and shoulder extension