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7 Cards in this Set
- Front
- Back
Sciatic Nerve
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Composed of 2 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 planar, and medial calcaneal branches)
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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 short head of biceps femoris), posterior part of adductor magnus, triceps surae, tibialis posterior popliteus, flexor digitorum longus, flexur hallus longus, and intrinsic muscles of foot} |
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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 digitorium longus and brevis) |
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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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Inferior Gluteal
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Motor Branches: To Gluteus Maximus
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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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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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