Myotomes

Front 1

PURPOSE OF MYOTOME TESTING

Back 1

TO DETERMINE STRENGTH OR WEAKNESS OF MUSCLES SUPPLIED BY MOTOR FIBERS OF SPECIFIC SPINAL NERVES

Front 2

SCORING OF MYOTOMES

Back 2

5/5= NORMAL FULL ROM AGAINST MAX RESISTANCE
4/5= GOOD FULL ROM AGAINST SOME RESISTANCE
3/5= FAIR FULL ROM AGAINST GRAVITY
2/5= POOR FULL ROM GRAVITY NEGATED
1/5= TRACE MUSCLE CONTRACTION/NO MOV.
0/5= ABSENT NO CONTRACTION

Front 3

PRIOR TO PERFORMING MYOTOME ONE SHOULD

Back 3

OBSERVE AND NOTE MUSCLE TONE AND APPEARANCE

Front 4

MYOTOME

C1-C2

Back 4

CERVICAL FLEXION/EXTENSION
PRESS ON FRONT/BACK OF FOREHEAD

Front 5

MYOTOME

C3

Back 5

CERVICAL LATERAL FLEXION/SIDE BENDING
PRESS ON SIDES OF L&R SIDE OF SKULL

Front 6

MYOTOME

C4

Back 6

SHOULDER SHRUG
ASK THEM TO DO HALF WAY; PRESS ON SHOULDERS

Front 7

MYOTOME

C5

Back 7

SHOULDER ABDUCTION
ASK TO LIFT ARMS (JUMPING JACK)
ASK TO LIFT HALF WAY
PUSH DOWN ON BICEPS

Front 8

MYOTOME

C6

Back 8

ELBOW FLEXION & WRIST EXTENSION
HAVE THEM TOUCH SHOULDERS & DROP HANDS LIKE BUNNY

Front 9

MYOTOME

C7

Back 9

ELBOW EXTENSION & WRIST FLEXION
BRING ELBOW TO SIDE; HAVE THEM EXTEND; PUSH DOWN DURING EXTENSION

Front 10

MYOTOME

C8

Back 10

PINCER GRASP

Front 11

MYOTOME

T1

Back 11

FINGER ABDUCTION

TEST ONLY FINGERS NOT THUMB

Front 12

MYOTOME

L2

Back 12

HIP FLEXION

LIFT KNEES TO CEILING; HALF WAY; PUSH DOWN ON MID THIGH

Front 13

MYOTOME

L3

Back 13

HIP FLEXION
KNEE EXTENSION

Front 14

MYOTOME

L4

Back 14

KNEE EXTENSION
DORSI FLEXION
HIP EXTENSION - PLACE HANDS UNDER THIGH; PUSH UP

Front 15

MYOTOME

L5

Back 15

DORSIFLEXION
HIP EXTENSION
KNEE FLEXION

Front 16

MYOTOME

S1

Back 16

KNEE FLEXION
PLANTAR FLEXION

Front 17

MYOTOME

S2

Back 17

PLANTAR FLEXION