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Sacral Plexus

TermDefinition
Sciatic Nerve composed of two nerves (tibial and common fibular)in a common sheath; they diverge just proximal of the knee
Sciatic Nerve 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 muscle of back and thihg, leg, and foot
Sciatic Nerve Fibular (superfical and deep braches) cutaneous branches:skin of anterior and lateral surface of leg and dorsum of foot motor branches: short head of biceps femoris of thigh, fibular muscles of lateral compartment of leg, tibialis anterior, and extensor muscles of toes
Superior Gluteal motor branches: to gluteus medium and minimus and tensor fasciae latae
Inferior Gluteal motor branches: to gluteus maximus
Posterior Femoral Cutaneous skin of buttock, posterior of thigh, and popliteal region; length varies, may also innervate part of skin of calf and heel
Pudendal Supplies most of skin and muscles of perineum; external and sphincter
Created by: bwarren
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