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Cervical, Lumbar, and Sacral Plexuses

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nerves
spinal roots
structures served
Lesser Occipital   show sensory- posterolateral neck  
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Greater Auricular   C2, C3   show
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Transverse cervical   C2, C3   show
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show C3, C4   sensory- shoulder & anterior chest  
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Ansa cervicalis   C1- C4   show
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Segmental branches   show Motor- neck & scalenes, levator, trapezius, SCM  
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Phrenic   C3, C4 & C5   show
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Femoral   L2- L4   show
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show L2-L4   Sensory- medial thigh & hip joint motor- adductors, gracilis & obturator externus  
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Lateral Femoral Cutaneous   show sensory- lateral thigh, branches to peritoneum  
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show L1   sensory- lower abdomen, lower back & hip, anterlateral abdominal wall & pubic region  
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show L1   sensory- external genitalia, thigh & abdominals  
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show L1, L2   sensory- scrotum, labia, thigh & cremasterics  
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Sciatic   show motor- tibial & common peroneal  
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Tibial   L4-S3   show
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Common Peroneal   L4-S2   show
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Superior Gluteal   L4, L5, S1   show
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Inferior Gluteal   L5-S2   show
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show S1-S3   sensory- buttock, thigh, popliteal, calf & heel  
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Pudendal   show sensory- muscles of perineum motor- external anal sphincter  
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Created by: missyh23
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