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7 Cards in this Set
- Front
- Back
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Pudendal
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Supplies most of skin and muscles of perineum (region encompassing external genitalia and anus and including clitoris, labia, and vaginal mucosa in females, and scrotum and penis in males); external anal sphincter
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Posterior femoral cutaneous
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Skin of buttock, posterior thigh, and popliteal region; length variable; may also innervate part of skin of calf and heel
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Inferior gluteal
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Motor branches: to gluteus maximus
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Superior gluteal
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Motor branches: to gluteus medius and minimus and tensor fasciae latae
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Common fibular (superficial and deep branches)
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Cutaneous branches: to skin of anterior surface of leg and dorsum of foot
Motor branches: to short head of biceps femoris of thigh, fibular muscles of lateral compartment of leg, tibialis anterior, and extensor muscles of toes (extensor hallucis longus, extensors digitorum longus and brevis) |
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Sciatic nerve
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Composed of two nerves (tibial and common fibular) in a common sheath; they diverge just proximal to the knee
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Tibial
(including sural, medial and lateral plantar, and medial calcaneal branches) |
Cutaneous branches: to skin of posterior surface of leg and sole of foot
Motor branches: to muscles of back of thigh, leg, and foot [hamstrings (except shor head of biceps femoris), posterior part of adductor magnus, triceps surae, tibialis posterior, popliteus, flexor digitorum longus, flexor hallucis longus and intrinsic muscles of foot] |
