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Meralgia Paresthetica - caused by entrapment of the lateral femoral cutaneous nerve (LFCN)
The LFCN is responsible for sensation of the anteriorlateral thigh.
http://www.chiropractic-help.com/images/Meralgia-Paresthetica.jpg
NOTE* It has no motor component!
Associated with pregnancy, wearing tight pants, belts, girdles, and in diabetic and obese patients.
Symptoms include numbness, paresthesias and pain (not weakness). Worse w walking, standing. Better w sitting.
Diagnosis is clinical but may be confirmed with nerve conduction studies
Treatment includes, NSAIDs, injection and surgery for refractory cases.