Dermatomes, Myotomes and Reflexes Flashcards
Shoulder elevation (shrug)
C3/4 and CN 11 (accessory)
Shoulder flexion/abduction
C5
Elbow flexion
C5/6
Elbow extension
C7
Wrist extension
C7
Wrist flexion
C8
Finger extension
C7
Finger flexion
C8
Finger abduction
T1
Hip flexion
L1/2
Hip extension
L5/S1
Knee flexion
L5/S1
Knee extension
L3/4
Ankle DF
L4
Ankle PF
S1/2
1st MT extension
L5
Ankle reflex
S1/2
Knee reflex
L3/4
Biceps reflex
C5/6
Triceps reflex
C7/8
Neck flexion
C1/2
Neck side flexion
C3 and CN11 (accessory)
Pec minor
Medial and lateral pectoral nerves (C6-8)
Serratus anterior
Long thoracic nerve (C5-7)
Subclavius
C5-6
Trapezius
Accessory nerve (CN 11, C3-4)
Levator scapulae
Cervical nerves and dorsal scapula nerve (C3-5)
Rhomboids
Dorsal scapula nerve (C4-5)
Pec major
Medial and lateral pectoral nerves (C5-8 and T1)
Latissimus dorsi
Thoracodorsal nerve (C6-8)
Deltoid
Axillary nerve (C5-6)
Subscapularis
Subscapular nerves (C5-7)
Supraspinatus
Suprascapular nerve
Infraspinatus
Suprascapular nerve
Teres minor
Axillary nerve
Teres major
Lower subscapular nerve
Coracobrachialis
Musculocutaneous nerve (C5-7)
Triceps brachii
Radial nerve (C6-8)
Biceps brachii
Musculocutaneous nerve (C5-6)
Brachialis
Musculocutaneous nerve
Brachioradialis
Radial nerve
Pectoral muscles
Medial and lateral pectoral nerves
Anterior humerus muscles (biceps brachii, coracobrachialis, brachialis)
Musculocutaneous nerve