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Systemic Anatomy

Nerve lesions and neuropathology

What are clinical signs of Femoral nerve neuropathy? weakness of thigh flexion, loss of knee extension, loss of patellar reflex, sensory loss anterior thigh
What are clinical signs of Sciatic nerve neuropath? Weakness of flexion of knee, of all foot and ankle muscles, loss of chilles tendon reflex, sensory loss in the foot and lateral leg below the knee
Causes for Sciatic nerve neuropathy P. hip dislocation, Acetabular fracture, IM injection
If I cut the Sartorius m. can I flex the knee? yes, biceps femoris, gracilis, semitendinosus, semimembranosus, popliteus, gastrocnemius, plantaris m
If the femoral nerve was cut can you extend the knee? no, supplies all quadracep mm.
If you cut the superficial peroneal nerve can you still plantar flex the foot? yes, tibial nerve innervates Gastroc, soleis, plataris, F. hallicus long, F.digi long, Tibialis post.
If you cut the deep peroneal nerve can you still dorsiflex the talocrural joint? no, tibialis ant., E. Digi long, E. hallucis long, peroneus tertius all innervated by deep peroneal n.
If you cut L4-S2 can you dorsiflex the foot? no
If you cut L2-L4 can you still flex tibiofemoral joint? yes
If you cut Radial nerve can you extend the elbow? no - triceps brachi and Anconeous
If you cut C8 and T1 can you still extend elbow? yes, Radial nerve C5,6,7,8,T1
If you cut the Median nerve can you still extend the carpus? Yes, Radial nerve extends wrist
Created by: kbalduf