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Lateral rotation of the arm

Infraspinatus (Supscapular = C5/C6)
Teres minor (Axillary = C5/C6)
Deltoid, posterior (Axillary = C5/C6)

Medial rotation of the arm

Subscapularis (Subscapular = C5,C6,C7)
Teres major (Lower Subscapular = C6)
Pecroalis major (Medial and lateral pectoral = C5,C6,C7)
Latissimus dorsi (Thoracodorsal = C7)
Deloid, anterior (Axillary = C5,C6)

Abduction of the arm

Deltoid (Axillary = C5/C6)
Supraspinatous (Suprascapular = C5/C6)
Serratous anterior (Long thoracic)
Trapezius (C11)

Abduction of the fingers

Dorsal interosseous (Ulnar = T1/C8)

Adduction of the arm

Pectoralis major (Medial and Lateral =C6, C7)
Latissimus dorsi (Throacodorsal = C6,C7)
Teres major (Lower subscapular= C6)
Subscapularis (Subscapular = C6)
Coracobrachialis (musculocutaneous)

Adduction of the fingers

Palmar interosseous (Ulnar = T1/C8)

Flexion at the elbow

Brachialis (Musculocutaneous = C5/C6)
Biceps brachii (Musculocutaneous = C5/C6)
Brachioradialis (Radial = C5,C6 . . . )

Extension at the elbow

Triceps (Radial= C7/C8 . . . )
Acroneous (Radial = C7/C8 . . . )

Wrist flexion

Flexor carpi radialis (Median = C6,C7,C8)
Flexor carpi ulnaris (Ulnar = C8,T1))
Long flexors of thumb and fingers (Median/Ulnar)

Wrist extension

Extensor carpi radialis longus (Radial = C6,C7,C8)
Extensor carpi radialis brevis Radial)
Extensor carpi ulnaris (Radial)
Long extensors of thumb and fingers (Radial)

Supination of forearm

Supinator (Radial = C6)
Biceps brachii (Musculocutaneous = C6)

Pronation of forearm

Pronator teres (median = C7,C8)
Pronator quadratus (median = C7,C8)

Flexion of arm at shoulder

Pectoralis major (Medial and lateral)
Deltoid, anterior (Axillary)
Coracobrachialis (Musculocutaneous)
Bicels brachii, long head (Musculocutaneous)

Extension of arm at the shoulder

Latissimus dorsi (Thoracodrosal)
Teres major (lower subscapular)
Deltoid, posterior (axillary)

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