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23 terms

Dermatomes

Notes from PTA Exam Study guide by Scorebuilders.
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C1 Dermatome
Vertex of Skull
C2 Dermatome
Temple, Forehead, Occiput
C3 Dermatome
Entire neck, posterior cheek, temporal area, prolongation forward under mandible
C4 Dermatome
Shoulder area, clavicular area, upper scapular area
C5 Dermatome
Deltoid area, anterior aspect of entire arm to base of thumb
C6 Dermatome
Anterior arm, radial side of hand to thumb and index finger
C7 Dermatome
Lateral arm and forearm to index, long, and ring finger
C8 Dermatome
Medial arm and forearm to long, ring, and little finger
T1 Dermatome
Medial side of forearm to base of little finger
T2 Dermatome
Medial side of upper arm to medial elbow, pectoral and midscapular areas
T3-T6 Dermatome
Upper Thorax
T5-T7 Dermatome
Costal margin
T8-T12 Dermatome
Abdomen and lumbar region
L1 Dermatome
Back, over trochanter and groin
L2 Dermatome
Back, front of thigh to knee
L3 Dermatome
Back, upper buttock, anterior thigh and knee, medial lower leg
L4 Dermatome
Medial Buttock, lateral thigh, medial leg, dorsum of foot, big toe
L5 Dermatome
Buttock, posterior and lateral thigh, lateral aspect of leg, dorsum of foot, medial half of sole, first, second, and third toes
S1 Dermatome
Buttock, thigh, and posterior leg
S2 Dermatome
Buttock, thigh, and posterior leg
S3 Dermatome
Groin, medial thigh to knee
S4 Dermatome
Perineum, genitals, lower sacrum
Dermatomes
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