Term
| The anterior rami of L1 through S3 form what? |
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Definition
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Term
| Many separate the lumbosacral plexus into what? |
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Definition
| Lumbar plexus (innervates most muscles of the thigh) and Sacral Plexus (innervates mostly muscles of the leg and foot) |
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Term
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Definition
L1 through L4
innervates most muscles of the thigh |
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Term
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Definition
L5 through S3
innervates mostly muscles of the leg and foot |
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Term
| Which root is the only one that does not divide? |
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Definition
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Term
| How many roots does the lumbosacral plexus divide into? |
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Definition
| 8; anterior and posterior divisions |
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Term
| The anterior and posterior divisions of the roots of the lumbosacral plexus form what? |
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Definition
| Six new peripheral nerves |
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Term
| What nerves does the upper division of L1 divide into? |
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Definition
| iliohypogastric and ilioinguinal nerves |
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Term
| What division forms the genitofemoral nerve? |
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Definition
| the lower branch of L1 and upper branch of L2 |
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Term
| What nerves of the lumbosacral plexus are sensory in nature? |
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Definition
| iliohypogastric, ilioinguinal, and genitofemoral nerves |
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Term
| What divisions form the obturator nerve? |
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Definition
| anterior divisions of L2, L3, L4 |
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Term
| What divisions form the femoral nerve? |
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Definition
| posterior divisions of L2, L3, L4 |
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Term
| What divisions form the superior gluteal nerve? |
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Definition
| posterior divisions of L4, L5, S1 |
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Term
| What divisions form the inferior gluteal nerve? |
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Definition
| posterior divisions of L5, S1, S2 |
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Term
| What divisions form the sciatic nerve? |
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Definition
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Term
| What exactly is the sciatic nerve? |
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Definition
| Tibial and common peroneal nerves joined by a common sheath & it later separates just above the knee |
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Term
| What divisions form the common peroneal nerve? |
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Definition
| L4 through S2; L4,L5, S1, S2 |
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Term
| What divisions form the common tibial nerve? |
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Definition
| anterior divisions of L4 through S3 |
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