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Cervical, Lumbar, and Sacral Plexuses

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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nerves
spinal roots
structures served
Lesser Occipital   C2, C3   sensory- posterolateral neck  
🗑
Greater Auricular   C2, C3   sensory- ear & parotid gland  
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Transverse cervical   C2, C3   sensory- anterior & lateral neck  
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Supraclavicular   C3, C4   sensory- shoulder & anterior chest  
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Ansa cervicalis   C1- C4   motor- geniohyoid & infrahyoid muscles of neck  
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Segmental branches   C1- C5   Motor- neck & scalenes, levator, trapezius, SCM  
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Phrenic   C3, C4 & C5   motor- diaphragm  
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Femoral   L2- L4   Sensory- thigh, leg, foot, hip, knee joints Motor- anterior thigh, psoas, pectineus, iliacus  
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Obturator   L2-L4   Sensory- medial thigh & hip joint motor- adductors, gracilis & obturator externus  
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Lateral Femoral Cutaneous   L2, L3   sensory- lateral thigh, branches to peritoneum  
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Iliohypogastric   L1   sensory- lower abdomen, lower back & hip, anterlateral abdominal wall & pubic region  
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Ilioinguinal   L1   sensory- external genitalia, thigh & abdominals  
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Genitofemoral   L1, L2   sensory- scrotum, labia, thigh & cremasterics  
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Sciatic   L4, L5, S1-S3   motor- tibial & common peroneal  
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Tibial   L4-S3   sensory- posterior leg & foot motor- all muscles back of thigh, leg & foot  
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Common Peroneal   L4-S2   sensory- anterior leg & dorsum foot motor- peroneals, tibialis ant., externsion of toe  
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Superior Gluteal   L4, L5, S1   Motor- gluteus medius, minius & Tensor facia  
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Inferior Gluteal   L5-S2   Motor- gluteus maximus  
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Posterior Femoral Cutaneous   S1-S3   sensory- buttock, thigh, popliteal, calf & heel  
🗑
Pudendal   S2-S4   sensory- muscles of perineum motor- external anal sphincter  
🗑


   

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Created by: missyh23
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