| Function |
Provides motor innervation to most flexors of the forearm and thenar muscles of the hand. Provides sensory innervation to the lateral palm and palmar surface of the lateral three and … |
The largest and longest nerve in the body, providing motor innervation to the posterior thigh and all muscles below the knee. Provides sensory innervation to the lateral leg, foot, and … |
| Clinical Significance |
Carpal tunnel syndrome is compression of the median nerve at the wrist, causing numbness, tingling, and weakness. Anterior interosseous syndrome affects motor function. Pronator teres syndrome compresses the nerve proximally. … |
Sciatica (sciatic nerve irritation, often from disc herniation) causes radiating pain down the posterior leg. Piriformis syndrome compresses the nerve in the buttock. Improper gluteal injections can damage the nerve. … |