Testing myotomes Flashcards
C5 action?
Shoulder abduction and external rotation Elbow flexion (bending elbow)
C6 action?
Wrist extension (stopping traffic)
C7 action?
Elbow extension (straightening arm) Finger flexion (poiting down at knuckle)
C8 action?
Thumb extension (away from palm) Finger flexion (poiting down at knuckle)
T1 action?
Finger abduction
L1/L2 action?
Hip flexion (lift straight leg forwards)
L3 action?
Knee extension (straighten a bent leg)
L4/L5 action?
Ankle dorsiflexion (flex foot)
L5 action?
Big toe extension (point upwards)
S1 action?
Ankle plantarflexion (point foot)
S4 action?
Bladder and rectum motor supply
Which myotome performs shoulder abduction and external rotation?
C5
Which myotome performs elbow flexion?
C5
Which myotome performs wrist extension?
C6
Which myotome performs elbow extension?
C7
Which myotome performs wrist flexion?
C7
Which myotome performs thumb extension?
C8
Which myotome performs finger flexion?
C8
Which myotome performs finger abduction?
T1
Which myotome performs hip flexion?
L1/L2
Which myotome performs knee extension?
L3
Which myotome performs ankle dorsiflexion?
L4/L5
Which myotome performs great toe extension?
L5
Which myotome performs ankle plantar flexion?
S1
