– X-ray
03/04/2014
First aid
• Stop bleeding • Reduce contamination • Temporary fixation • Transportation to a
hospital03/04/2014来自Debridement
• In 6-8hours • Washing • Removal of dead
• Sensation
– Radial 3.5 fingers, and their dorsal tips – Cutaneous innervation Image
• Course
– Passes via carpal tunnel through volar wrist
• Test function
• Test function
– Finger abduction against resistance – Palpate belly of first dorsal interosseus muscle
03/04/2014
Nerve Injury
• Median Nerve • Motor
– Allows for fine control of pincer grasp – Innervates thenar muscles and two radial lumbricals
• Does not innervate two radial lumbricals • Does not innervate thenar muscles
• Sensation
– Ulnar 1.5 fingers (palmar)
• Course
– Passes with ulnar artery via Guyon's Canal in wrist