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50 Cards in this Set
- Front
- Back
Anterior Rami of Lumbosacral Plexus |
L2-L5 and S1-S3 (7 total) |
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Femoral Nerve Origin |
Posterior Divisions of L2 through L4 |
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Femoral Nerve Compartment |
Anterior compartment of the thigh |
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Femoral Nerve Muscles Innervated |
Iliacus Pectineus Sartorius Rectus femoris Vastus intermedius Vastus medialis Vastus lateralis
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Femoral Nerve Primary Action |
Extend Knee |
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Femoral Nerve Cutaneous |
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Femoral Nerve Injury Cause |
Pelvic fracture |
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Femoral Nerve Injury Presentation |
Inability to flex thigh/extend leg |
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Obturator Nerve Origin |
Anterior divisions of L2-L4 |
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Obturator Nerve Compartment |
Medial compartment of thigh |
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Obturator Nerve Muscles Innervated |
Obturator externus Adductor longus Adductor brevis Adductor magnus Gracilis |
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Obturator Nerve Primary Actions |
Adduct thigh Medially rotate thigh |
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Obturator Nerve Cutaneous |
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Obturator Nerve Inury Cause |
Pelvic surgery |
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Obturator Nerve Injury Presentation |
Decreased sensation medial thigh Problems with adduction |
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Which two terminal nerves of the lumbosacral plexus make up the sciatic nerve? |
Tibial and common fibular nerve |
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Tibial division of sciatic nerve Origin |
Anterior divisions of L4 through S3 |
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Tibial division of sciatic nerve Compartment |
Posterior compartment of thigh Posterior compartment of leg |
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Tibial division of sciatic nerve Muscles Innervated--Thigh |
Biceps femoris (long head) Semitendinosus Semimembranosus Adductor magnus |
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Tibial division of sciatic nerve Muscles Innervated--Leg |
Popliteus Gastrocnemius Soleus Tibialis Posterior Flexor Digitorum Longus Flexor Hallucis Longus |
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Tibial Nerve Cutaneous |
Plantar foot |
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Tibial division of sciatic nerve Primary Actions |
Flex knee Extend thigh
Plantar flex foot (S1-S2) Flex digits Inversion |
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The tibial nerve divides into which branches? |
Medial plantar nerve Lateral plantar nerve |
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Medial Plantar Nerve Muscles Innervated |
Flexor digitorum brevis Abductor hallucis |
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Lateral Plantar Nerve Muscles Innervated |
Abductor digiti minimi |
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:) |
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Tibial Nerve Injury Cause |
Knee trauma, baker cyst (proximal), tarsal tunnel (distal) |
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Tibial Nerve Injury Presentation
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Inability to curl toes and loss of sensation on sole of foot. Proximal lesion: foot everted at rest with loss of inversion and plantarflexion |
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Fibular Nerve Origin |
Posterior divisions of L4 through S2 |
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Common Fibular Nerve Muscles Innervated |
Short head biceps femoris |
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Superficial Fibular Nerve Compartment |
Lateral compartment of leg |
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Superficial Fibular Nerve Muscles Innervated
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Fibularis longus Fibularis brevis |
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Common Fibular (peroneal) Injury Cause |
Trauma or compression of lateral aspect of leg Fibular neck fracture |
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Common Fibular (peroneal) Injury Presentation |
Foot Drop--inverted and plantar flexed at rest, loss of eversion and dorsiflexion Loss of sensation on dorsum of foot |
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Superficial Fibular Nerve Cutaneous |
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Deep Fibular Nerve Compartment |
Anterior compartment of leg |
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Deep Fibular Nerve Muscles Innervated |
Tibialis anterior Extensor digitorum longus Extensor digitorum brevis Extensor hallucis longus Extensor hallucis brevis |
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Deep Fibular Nerve Cutaneous |
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Collaterals |
Superior gluteal nerve Inferior gluteal nerve Posterior femoral cutaneous nerve |
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Superior Gluteal Nerve Origin |
Posterior divisions L4-S1 |
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Superior Gluteal Nerve Muscles innervated |
Gluteus medius Gluteus minimus Tensor fasciae latae |
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Superior Gluteal Injury Cause |
Posterior hip dislocation, polio
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Superior Gluteal Injury Presentation |
Trendelenburg sign/gait |
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Inferior Gluteal Nerve Origin |
Posterior divisions L5 through S2 |
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Inferior Gluteal Nerve Muscles Innervated |
Gluteus maximus |
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Inferior Gluteal Injury Cause |
Posterior hip dislocation |
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Inferior Gluteal Injury Presentation |
Difficulty climbing stairs, rising from seated position. Loss of hip extension (inferior nerve --> maximus) |
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Posterior Femoral Cutaneous |
Posterior thigh |
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PED |
Peroneal Everts and Dorsiflexes; if injured, foot dropPED |
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TIP |
Tibial Inverts and Plantarflexes; if injured can't stand on TIPtoes |