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SPS
LP
Supraspinatus: Draws the humerus into the glenoid fossa. Abduction initiation. Lateral rotation.
Infraspinatus: Lateral rotation of the humerus
Pectoralis Major: Adduction of the arm, medial rotation
Pectoralis Minor (minor contrib.): Moves the scapula inferiorly, raises ribs
C5
MSC
Flexors of the Forearm
Coracobrachialis: Flexes and adducts arm
Biceps Brachii: Flexes forearm
Brachialis: Flexes forearm
Skin of the lateral aspect of the forearm
AX
C6
SC
TCD
Teres minor: Lateral rotation and adduction of the arm
Deltoid: Abduction, medial rotation, flexion of the arm
Skin of the superolateral arm (over deltoid)
Subclavius: Draws the glenohumeral joint, as well as the clavicle, inferiorly and anteriorly.
Sternoclavicular Joint
Latissimus Dorsi: Extends, adducts, and medially rotates the humerus
MD
C7
Muscles of anterior part of forearm (Flexors)
Pronator Teres: Pronation
Flexor Carpi Radialis: flexes and abducts wrist
Palmaris Longus: flexes wrist
Flexor Digitorum Superficialis: Flexes proximal , wrist, and elbow
Flexor Digitorum Profundus: Distal flexion
Flexor Pollicis Longus: Distal thumb flexion
Pronator Quadratus: Pronation
Flexor Pollicis Brevis: Flexes proximal thumb
Abductor Pollicis Brevis: Abducts thumb
Opponens Pollicis: Opposes thumb
Lumbricals (1&2)
Palmar Skin
US
LS
LT
RD
Subscapularis (Superior Portion): Medial rotation and adduction of the humerus
Serratus Anterior: Protracts scapula and holds it against thoracic wall; rotates scapula
Subscapularis (inferior portion): Medial rotation and adduction of the humerus
Teres Major: Medial rotation, extension, and adduction of the arm
C8
ALL MUSCLES OF POSTERIOR COMPARTMENT OF UPPER LIMB (EXTENSORS)
Brachioradialis: Flexion of forearm
Extensor Carpi Radialis Longus and Brevis: Extends and abducts hand
Extensor Digitorum: Extends wrist and fingers
Extensor Digiti Minimi: Pinky extension
Extensor Carpi Ulnaris: Extends and adducts hand
Abductor Pollicis Longus: Abducts, extends, and rotates thumb laterally
Extensor Pollicis Brevis: Extends proximal thumb
Extensor Pollicis Longus: Extends distal thumb
Tricep: Extends arm and forearm
Extensor Indicis: Extension of index finger
Supinator: Supination
Skin of the posterior and inferolateral arm, posterior forearm, dorsum of the hand lateral to axial line of digit 4
UL
Flexor Carpi Ulnaris: Flexes and adducts the wrist
Flexor digitorum profundus (Ulnar half): Distal flexion of phalanges
Intrinsic Muscles of the Hand
Abductor Digiti Minimi: Abducts pinky
Flexor Digiti Minimi: Flexes proximal pinky
Opponens Digiti Minimi: Adduction and opposition of pinky
Adductor pollicis: Adducts thumb
Lumbricals (3&4): Flex metocarpophalangial joints, extend interphalangeal joints
Interrosei:
3 Palmar-Adduct digits
4 Dorsal-Abduct digits
Skin of the medial hand to axial line of digit 4
MP
MABC
MBC
T1
Skin of the medial forearm, as far distal as the wrist.
Pectoralis Minor: Moves scapula inferior and raises ribs
Pectoralis Major (Sternocostal Part): Medial rotation and adduction of the arm.
Skin of the medial side of arm as far distal as the medial epicondyle of the humerus and olecranon of the ulna
DS
Levator Scapulae: Elevates the scapula
Rhomboid Major: Retract scapula
Rhomboid Minor: Retract scapula