Lumbosacral plexus branches, lower limb compartments, and classic nerve injury presentations (e.g. foot drop), one fact per card.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- Which spinal nerve roots form the lumbar plexus?
- L1-L4
- Which spinal nerve roots form the sacral plexus?
- L4-S4
- What are the spinal nerve root levels of the femoral nerve?
- L2-L4
- What are the spinal nerve root levels of the obturator nerve?
- L2-L4
- What are the spinal nerve root levels of the sciatic nerve?
- L4-S3
- What are the two terminal branches of the sciatic nerve?
- Tibial nerve and common fibular (peroneal) nerve
- The sciatic nerve is the ____ nerve in the human body.
- largest
- Which thigh compartment does the femoral nerve innervate?
- The anterior thigh compartment (quadriceps femoris)
- Which thigh compartment does the obturator nerve innervate?
- The medial thigh compartment (adductor muscles)
- Which thigh compartment do tibial fibers of the sciatic nerve innervate?
- The posterior thigh compartment (hamstrings)
- What is the most common cause of common fibular nerve injury?
- Compression or fracture at the fibular neck
- The common fibular nerve is vulnerable to injury as it wraps around the ____.
- fibular neck
- What classic motor deficit results from common fibular nerve injury?
- Foot drop
- Which leg compartment does the deep fibular nerve innervate?
- The anterior leg compartment (ankle and toe dorsiflexors)
- Which leg compartment does the superficial fibular nerve innervate?
- The lateral leg compartment (foot evertors)