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spinal nerves
myotomal patterns of weakness
Question | Answer |
---|---|
C3 | Lateral neck flexion and extension |
C6 | elbow flexion, wrist extension, biceps, brachioradialis, thumb |
T2 | upper arm |
L1 | corresponds with hip, no myotomal pattern of weakness |
L2 | hip flexion |
L3 | knee extension |
L4 | ankle dorsiflexion |
S3 | no myotomal pattern of weakness |
S4 | bladder and rectum |
S5 | no myotomal pattern of weakness |
C4 | shoulder elevation |
C7 | elbow extension, wrist flexion, middle finger |
C8 | triceps, ulnar deviation, thumb extension |
C5 | shoulder abduction |
S2 | ankle plantar flexion, knee flexion, hip extension |
T1 | finger abduction and adduction |
C2 | forward neck flexion |
S1 | ankle plantar flexion and eversion, knee flexion, hip extension |
L5 | hallux extension |