5 Questions
Which nerves contribute to the formation of the Lumbar Plexus?
Iliohypogastric Nerve
Which nerve is the largest in the Lumbar Plexus?
Femoral Nerve
Which nerve innervates the anterior thigh?
Femoral Nerve
Which nerve innervates the abdominal wall and psoas muscle?
Iliohypogastric Nerve
Which nerve is not a branch of the Lumbar Plexus?
Sciatic Nerve
Study Notes
Formation of the Lumbar Plexus
- The Lumbar Plexus is formed by the ventral branches of the first four lumbar nerves (L1-L4)
Key Components of the Lumbar Plexus
- The largest nerve in the Lumbar Plexus is the Femoral Nerve (L2-L4)
Nerve Distribution and Function
- The Femoral Nerve innervates the anterior thigh
- The Iliohypogastric Nerve innervates the abdominal wall and psoas muscle
Nerve Exclusion
- The Obturator Nerve is a branch of the Lumbar Plexus
- The Sciatic Nerve is not a branch of the Lumbar Plexus
Test your knowledge on the lumbar and sacral plexus, spinal nerves, and their branches. Learn about the innervation of joints and skin in the body. This quiz will help you review key concepts related to spinal nerves.
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