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Dermatome & Myotomes
a review of the dermatomes & mytomes
Question | Answer |
---|---|
C1 | D: Vertex of Skull M: None T: Neck flexion |
C2 | D: Temple, forehead, occiput M: Longus colli, SCM, rectus capitis T: Neck flexion |
C3 | D: Entire neck, posterior cheek, temporal area, prolongaton forward under mandible M: Trapezius, spelnius capitis T: Neck side flexion |
C4 | D: Shoulder area, clavicular area, upper scapular area M: Trapezius, levator scapulae T: Shoulder shrug |
C5 | D: Deltoid area, anterior aspect or entire arm to base of thumb M: Supraspinatus, infraspinatus, deltoid biceps T: Shoulder shrug |
C6 | D: Anterior arm, radial side of hand to thumb & index finger M: Biceps, supinator, wrist extensors T: Elbow flexion; wrist extension |
C7 | D: Lateral arm and forearm to index, long and ring finger M: Triceps & wrist flexors T: Elbow extension; Wrist flexion |
C8 | D: Medial arm and forearm to long, ring and little finger M: Ulnar deviation, thumb extensors, thumb adductors T: Thumb extension |
T1 | D: Medial side of forearm to base of little finger M: N/A T: Finger AB/ADD, flexion |
T2 | D: Medial side of upper arm to medial elbow, pectoral and midscapular areas M: N/A T: N/A |
T3-6 | D: Upper thorax M: N/A T: N/A |
T5-7 | D: Costal margin M: N/A T: N/A |
T8-12 | D: Abdomen and lumbar region M: N/A T: N/A |
L1 | D: Back, over trochanter and groin M: none T: Hip flexion |
L2 | D: Back, front of thigh to knee M: Psoas, hip adductors T: Hip flexion |
L3 | D: Back, upper buttock, anterior thigh and knee, medial lower leg M: Posas, quadriceps T: Knee extension |
L4 | D: Medial buttock, lateral thigh, medial leg, dorsum of foot, big toe M: Tibialis anterior, extensor hallus T: Ankle dorsiflexion |
L5 | D: Buttock, posterior and lateral thigh, lateral aspect of leg, dorsum of foot, medial half of solr, 1st, 2nd, 3rd toes M: Extensor hallucis, peroneals, gluteus medius, dorsiflexros, hamstring T: Great toe extension |
S1 | D: Buttock, thigh & posterior leg M: Calf, hamstring T: Ankle plantar flexion |
S2 | D: Buttock, thigh & posterior leg M: Calf, hamstring T: Knee flexion |
S3 | D: Groin, medial thigh to knee M: None T: Foot intrinsics |
S4 | D: Perinuem, gentials, lower sacrum M: Bladder, rectum T: None |