Dermatomes & Myotomes Flashcards by Shubham Gupta

Q

C2 dermatome

A

Occiput and the top part of the neck

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Q

C3 dermatome

A

Lower part of the neck to the clavicle

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Q

C4 dermatome

A

Area just below the clavicle

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Q

C5 dermatome

A

Lateral arm at and above the elbow

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Q

C6 dermatome

A

Forearm and the radial (thumb) side of the hand

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Q

C7 dermatome

A

Middle finger

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Q

C8 dermatome

A

Medial aspect of the hand

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Q

T1 dermatome

A

Medial side of the forearm

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Q

T3 to T12 dermatomes

A

Chest and back to the hip girdle

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Q

T4 dermatome

A

Nipples

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Q

T10 dermatome

A

Umbilicus

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Q

T12 dermatome

A

Just above hip girdle

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Q

L1 dermatome

A

Hip girdle and groin area

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Q

L2 and L3 dermatomes

A

Front part of the thighs

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Q

L4 and L5 dermatomes

A

Medial and lateral aspects of the lower leg

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Q

S1 dermatome

A

Heel and the middle back of the leg

Q

S2 dermatome

A

Back of the thighs

Q

S3 dermatome

A

Medial side of the buttocks

Q

S4 - S5 dermatomes

A

Perineal region

Q

S5 dermatome

A

Skin immediately at and adjacent to the anus

Q

C5 myotome

A

Elbow flexors/Biceps

Q

C6 myotome

A

Wrist extensors

Q

C7 myotome

A

Elbow extensors/Triceps

Q

C8 myotome

A

Long finger flexors

T1 myotome

Small finger abductors

L1 and L2 myotomes

Hip flexors (psoas)

L3 myotome

Knee extensors (quadriceps)

L4 and L5 myotomes

Ankle dorsiflexors (tibialis anterior)

L5 myotome

Toe extensors (hallucis longus)

S1 myotome

Ankle plantar flexors (gastrocnemius)

S2 + S3 + S4 myotomes

Anal sphincter