myotomes of the arm and leg Flashcards
(21 cards)
What is the myotome responsible for Shoulder Abduction?
C5 (axillary)
What is the myotome responsible for Shoulder Adduction ?
C678
What is the myotome responsible for Elbow Flexion and wrist extension?
C6
What is the myotome responsible for Elbow extension and wrist flexion?
C7 (radial)
What is the myotome responsible for Finger Flexion?
C8 (median
What is the myotome responsible for Finger Extension?
C7 (radial – posterior interosseous)
What is the myotome responsible for Finger Abduction?
T1 (ulnar)
What is the myotome responsible for Abductor pollis brevis?
T1 (median
What is the myotome responsible for Hip Flexion?
L2 (femoral)
What is the myotome responsible for Hip Extension?
L5 (inferior gluteal)
What is the myotome responsible for Knee Extension?
L34 (femoral)
What is the myotome responsible for Knee Flexion?
S1 (sciatic)
What is the myotome responsible for Ankle Dorsiflexion?
L4 (deep peroneal)
What is the myotome responsible for Ankle Plantarflexion?
S1 (tibial)
What is the myotome responsible for Great toe flexor?
L5 (deep peroneal)
What are the muscles involved in adduction of the arm?
- Pectoralis major
* latissimus dorsi
What are the muscles involved in abduction of the arm?
- Supra spinatus → first 15°
- Deltoid → 15° - 90°
- Trapezius → 90° -180°
What are the muscles involved in internal rotation of the arm?
- Pectoralis major
* anterior fibers of deltoid
What are the muscles involved in external rotation of the arm?
- Latissimus dorsi
* posterior fibers of deltoid
What are the muscles involved in flexion of the arm?
- Pectoralis major
* anterior fibers of the deltoid
What are the muscles involved in extension of the arm?
- Latissimus dorsi
* teres major (“little lat”)