List of myotomes Myotome distributions of the upper and lower extremity are as follows; C1/C2: neck flexion/extension C3: neck lateral flexion C4: shoulder elevation C5: shoulder abduction C6: elbow flexion C7: elbow extension/wrist flexion/finger extension C8: finger flexion T1: finger abduction L2: hip flexion L3: knee extension L4: ankle dorsi-flexion L5: great toe extension S1: ankle plantar-flexion/ankle eversion/hip extension S2: knee flexion S3–S4: anal wink
List of myotomes Myotome distributions of the upper and lower extremity are as follows; C1/C2: neck flexion/extension C3: Lateral Neck Flexion C4: shoulder elevation C5: Elbow Flexion (Bicep Curls) C6: Wrist Extension C7: elbow extension/wrist flexion/finger extension C8: finger flexion T1: finger abduction L2: hip flexion L3: knee extension L4: ankle dorsi-flexion L5: great toe extension S1: ankle plantar-flexion/ankle eversion/hip extension S2: knee flexion S3–S4: anal wink
R
neck lateral flexion
Lateral Neck Flexion
R
shoulder abduction
Elbow Flexion (Bicep Curls)
R
elbow flexion
Wrist Extension