Dermatomes, Myotomes, Reflexes, CN Tests Flashcards
C1 dermatome
Vertex of skull
C2 dermatome
Temple, forehead, occipital
C2 myotome
Longus colli, SCM, rectus capitis
C3 dermatome
Entire neck, posterior check, temporal area, under mandible
C3 myotome
Trapezius, splenius capitis
C4 dermatome
Shoulder area, clavicular area, upper scap area
Lateral neck
C4 myotome
Trap, levator
Shoulder shrug
C5 dermatome
Deltoid, anterior aspect of entire arm to base of thumb
Lateral deltoid
C5 myotome
Suprasinatus, infraspinatus, deltoid, bicep
Elbow flexion
C5 reflex
Biceps
C6 dermatome
Anterior arm, radial side of hand to thumb and index finger
Pad of thumb
C6 myotome
Biceps, supinator, wrist extensors
Wrist extension
C6 reflex
Bracioradialis
C7 dermatome
Lateral arm and forearm to index finger, long, ring finger
Pad of middle finger
C7 myotome
Triceps, wrist flexors
Wrist flexion
C7 reflex
Triceps
C8 dermatome
Medial arm and forearm to long, ring and little finger
Pad of 5th
C8 myotome
Ulnar deviators, thumb extensors, thumb adductors
Flex fingers
T1 dermatome
Medial side of forearm to base of little finger
Medial forearm
T1 myotome
Finger abduction