Myotomes Flashcards
C5
Shoulder abduction and external rotation
Weak contribution to elbow flexion
C6
Elbow flexion
Wrist extension
Wrist supination
Internal rotation of the shoulder
C7
Elbow extension
Wrist flexion
Pronation
Weak contribution to finger flexion and extension
C8
Finger flexion
Finger extension
Thumb extension
Wrist ulnar deviation
T1
Finger abduction
Finger adduction
Myotomes upper limb
C5 - T1
Myotomes lower limb
L2 -S2
L2
Hip flexion
L3
Knee extension
hip adduction
L4
Ankle dorsiflexion
L5
Great toe extension
Ankle inversion
Hip abduction
S1
Ankle plantar- flexion
Ankle eversion
Hip extension
S2
Knee flexion
Great toe flexion
Peripheral nerve injury
Anaesthesia in cutaneous distribution
Paralysis of muscles supplied by the nerve distal to the site of injury
Spinal cord injury
Determine the clinical neural level of the injury (lowest level of fully intact sensation and motor function).