MRS Testing Flashcards
C5 Dermatome
lateral arm
C5 Muscle Test
deltoid (abduct shoulder)
C5 Tendon Reflex
biceps brachii
C6 Dermatome
lateral forearm to thumb
C6 Muscle Test
biceps brachii
C6 Tendon Reflex
brachioradialis
C7 Dermatome
middle finger
C7 Muscle Test
triceps (extend elbow)
C7 Tendon Reflex
triceps
C8 Dermatome
5th finger to inner forearm
C8 Muscle Test
FDP (flex fingers)
C8 Tendon Reflex
none
T1 Dermatome
medial elbow
T1 Muscle Test
abduct the little finger
T1 Tendon Reflex
none
T2 Dermatome
Axilla
T2 Muscle Test
none
T2 Tendon Reflex
none
T4 Dermatome
nipple
T4 Muscle Test
none
T4 Tendon Reflex
none
T7 Dermatome
Xiphoid Region
T7 Muscle Test
none
T7 Tendon Reflex
none
T10 Dermatome
Umbilical Region
T10 Muscle Test
none
T10 Tendon Reflex
none
T12 Dermatome
Suprapubic region
T12 Muscle Test
none
T12 Tendon Reflex
none
L1 Dermatome
Inguinal Region
L1 Muscle Test
none
L1 Tendon Reflex
none
L2 Dermatome
anterior thigh
L2 Muscle Test
Iliopsoas (flex hip)
L2 Tendon Reflex
none
L3 Dermatome
lateral thigh
L3 Muscle Test
quadriceps femoris (extended knee)
L3 Tendon Reflex
patellar
L4 Dermatome
medial leg to big toe
L4 Muscle Test
tibialis anterior (heel walk)
L4 Tendon Reflex
patellar
L5 Dermatome
dorsum of foot
L5 Muscle Test
extensor hallicus longus (extend big toe)
L5 Tendon Reflex
hamstring
S1 Dermatome
lateral foot
S1 Muscle Test
peroneus longus (toe walk)
S1 Tendon Reflex
achilles
Helpful Mnemonic
S1,2 “buckle my shoe” achilles reflex
L3,4 “kick the door” patellar reflex
C5, 6 “pick up sticks” biceps reflex
C7, 8 “lay them straight” triceps reflex
Add S3, 4 “winks galore” anal wink reflex
L1, 2 “testicles move” cremasteric reflex