Dermatomes and Myotomes Flashcards
Myotome C5
Elbow flexion
Myotome C6
Wrist extension
Myotome C7
Elbow extension
Myotome C8
Finger flexion
Myotome T1
Finger abduction
Myotome L2
Hip flexion
Myotome L3
Knee extension
Myotome L4
Ankle dorsiflexion
Myotome L5
Great toe extension
Myotome S1
Ankle plantarflexion
Dermatomes C3-4
Clavicles
Dermatomes C6-7
Lateral arm and forearm
Dermatomes C6
Thumb
Dermatomes C7
Middle finger
Dermatomes C8
Little finger
Dermatomes T1
Medial side of arm
Dermatomes T4
Nipples
Dermatomes T10
Umbilicus
Dermatomes L2-3
Anterior and inner leg
Dermatomes L5
Medial side of big toe
Dermatomes L5, S1-2
Posterior and outer leg
Dermatomes S1
Lateral margin of foot and little toe
Dermatomes S2-4
Perineum
Reflexes UL
Supinator
Triceps
Biceps
o Biceps: C5
o Supinator: C6
o Triceps: C7
Reflexes LL
Knee
Ankle
o Knee: L3, L4
o Ankle: L5, S1