Dermatomes and movements Flashcards
C1,C2
Look at your shoe- Neck flexion/extension
C3
A fallen tree - Neck lateral flexion
C4
I’m not sure - Shoulder elevation
C5
Arms out wide - Shoulder flexion, abduction, & lateral rotation
C6, 7, 8
Close the gate - Shoulder extension, adduction & medial rotation
C5, 6
Pick up sticks - Elbow flexion
C7, 8
Lay them straight - Elbow extension
C5, 6
Flick my wrists - Forearm supination
C7, 8
The time is late - Forearm pronation
C6, 7
Fly up to heaven - Wrist flexion & extension
C7
Paper - Finger extension
C8
Rock - Finger flexion (though some sources say C7, 8 does both finger extension and flexion)
T1
Scissors - Finger abduction & adduction
T and L1
(T1-12 - Supplies chest wall and abdominal muscles)
(L1 - Contributes to hip flexion & adduction)
L2, 3
Lift my knee - Hip flexion
L3, 4
Kick the door - Knee extension (& knee-jerk reaction)
L4, 5
Foot points to the sky - Ankle dorsiflexion
L4, 5
Extend my thigh - Hip extension
L5, S1, (S2) -
Kick my bum (Run to poo) - Knee flexion
S1, 2
Stand on my shoes - Ankle plantarflexion (& ankle jerk)
(Babinski plantar reflex/extensor response in UMN lesion is L5, S1, S2)
L2, 3, 4
Modestly close the door - Hip adduction & internal/medial rotation
L4 - S2
The opposite is true - Hip abduction & external/lateral rotation
Supplies
[ SUPPLIES ]
C3, 4, 5 - Keeps the diaphragm alive â→ Innervates the diaphragm
S2, 3, 4 - Keeps s*** off the floor â→ Innervates bowel, bladder, sex organs, anal sphincter, pelvic muscles. (& anal wink reflex)
Upper limb
Elbow flexors/Biceps C5
Wrist extensors C6
Elbow extensors/Triceps C7
Long finger flexors C8
Small finger abductors T1
Lower limb
Hip flexors (psoas) L1 and L2
Knee extensors (quadriceps) L3
Ankle dorsiflexors (tibialis anterior) L4 and L5
Toe extensors (hallucis longus) L 5
Ankle plantar flexors (gastrocnemius) S1
