1. Next 4 Muscles [*SITS] are Rotator Cuff Muscles [still move upper arm] *M: Supraspinatus O: Scapula I: Humerus A: Abduct, :Laterally rotate upper arm *M: Infraspinatus A: Laterally rotate upper arm *M: Teres Minor *M: Subscapularis O: A: Medially rotate upper arm

2. M: Deltoid O: I: Humerus [Deltoid Tuberosity] A: Abduct, assist in flexion/extension of upper arm M: Coracobrachialis O: Coracoid process I: Humerus A: Flex upper arm

3. Muscles that Move Forearm
M: Biceps Brachii O:
I: Radius
A: Flex forearm
M: Brachioradialis I:
A: Flex forearm
M: Brachialis
A: Flex forearm[ PM]

4. M: Triceps Brachii O: I: A: Extend forearm [PM] M: Anconeus O; A: Extends forearm M: Supinator O; Humerus I: Radius A: Supinates forearm M: Pronator Teres A: Pronates forearm M: Pronator Quadratus A: Pronates forearm [PM]

5. Muscles that move Wrist/Hand M: Flexor Group O: Medial Epicondyle [Humerus] I: A: Flex hand/wrist [Tennis elbow]
M: Extensor Group O: Lateral Epicondyle [Humerus] I: A: Extend hand/wrist [Golfer’s elbow]

6. Muscles of Respiration
M: Intercostals [Ext /Int] M: Diaphragm M: Serratus Post. [Sup/Inf]
O: Costals O: O:
I: Costals I: I:
A: Ext- inhal [norm/forced] A: Pull lungs down A: SPS- pull costals up
Int- exhal [forced] SPI- pull costals down