Neuro regions Flashcards
dermatome covering shoulder
C4
Dermartome outer upper arm (in anatomical position)
C5
Dermatome outer lower arm and thumb (in anatomical position)
C6
Dermatome small patch of forearm and middle 3 fingers
C7
Dermatome covering inner lower arm (in anatomical position)
C8
Dermatome covering inner upper arm (in anatomical position)
T1
Dermatome covering armpit
T2
sensation little finger and 2/3 ring finger
Ulnar
Sensation most of palm, pad of the thumb and tips of middle and index finger
Median
Sensation to dorsum of hand, hypothenar eminance and back of thumb
Radial
Radial Nerve innovation
Sensation to dorsum of hand, hypothenar eminance and back of thumb- test in anotomical snuffbox
Dorsiflexion of the wrist
Median Nerve Innovation
Sensation most of palm, pad of the thumb and tips of middle and index finger - thenar eminance test
ok sign, and wide ok sign
Ulnar nerve innovation
sensation tip of little finger (whole little finger and 2/3 ring finger)
Aductor pollisis hold paper with straight thumb. Finger “star”
Wrist drop
Radial nerve damage
Ape hand deformity
Median nerve damage
Claw hand, little and ring finger fixed flexion
Ulnar nerve damage
Lateral anterior thigh dermatome
L2
medial anterior knee dermatome
L3
Medial calf dermatome
L4
Big toe, medial dorsum foot dermatome
L5
Lateral border and sole of foot dermatome
S1
Central posterior leg, popliteal fossa dermatome
S2
glutes dermatome
S3
UMN signs
Spastic paresis, Hypertonia, Hyperrelexia, Upgoing plantars, No atrophy, no fasiculations
LMN signs
Flaccid paresis, hypotonia, hyporelfexia, babinski negative. Atrophy and Fasiculation
Flaccid paresis, hypotonia, hyporelfexia, babinski negative. Atrophy and Fasiculation
LMN lesion
Spastic paresis, Hypertonia, Hyperrelexia, Upgoing plantars, No atrophy, no fasiculations
UMN lesion
