Dermatomes and Myotomes Flashcards
Dermatome of C4
Clavicle and shoulder tip
Dermatome of C5
Badge patch
Dermatome of C6
Thumb + index
Dermatome of C7
Index + middle finger
Dermatome of C8
Ring + pinky
Dermatome of T4
Nipple
Dermatome of T7
Xiphoid
Dermatome of T10
Umbilicus
Dermatome of L1
Inguinal Ligament (IL)
Dermatome of L4
Medial malleolus
Dermatome of L5
Lateral calf and dorsal of foot (including big toe)
Dermatome of S1
Heel
Myotome of C5
Deltoid
Action of C5 myotome
Shoulder abduction
Myotome of C6
Biceps brachii
Action of C6 myotome
Elbow flexion
Myotome of C7
Triceps brachii
Action of C7 myotome
Elbow extension
Myotome of C8
Flexor digitorum superficialis
Action of C8 myotome
Finger flexion
Dermatome of T1
Medial forearm
Dermatome of T1
Medial arm
Dermatome of T12
Pubic symphysis
Dermatome of S2
Posterior knee
Dermatome of S3
Buttocks
Dermatome of S4
Perineum
Dermatome of S5
Anal skin
Myotome of T1
Dorsal interossei
Action of T1 myotome
finger abduction
Myotome of L2
Iliopsoas
Action of L2 myotome
Hip flexion
Myotome of L3
Quadrates femoris
Action of L3 myotome
Knee extension
Myotome of L4
Tibialis anterior
Action of L4 myotome
Ankle dorsiflexion
Myotome of L5
Extensor hallucis longus
Action of L5 myotome
Big toe extension
Myotome of S1
Gastrocnemius
Action of S1 myotome
Ankle plantar flexion
Myotome of S2
Biceps femoris
Action of S2 myotome
Knee flexion