Review Note
Last Update: 10/23/2024 08:41 PM
Current Deck: Steady Anatomy Exam 2::L26 Hand
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Branches of Median Nerve in Hand
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Extra 1
Median (C5-C8, T1):
• Enters the hand under the flexor retinaculum through the carpal tunnel • Recurrent (Thenar) Branch:
• First branch distal to the flexor retinaculum
• Enters the thenar eminence
• Innervates 1⁄2 LOAF:
▪ 1st & 2nd Lumbricals
▪ Opponens pollicis
▪ Abductor pollicis brevis ▪ Flexor pollicis brevis
• Will become
common palmar digital nerves and then
proper palmar digital nerves
▪ Provides cutaneous sensation to the palmar aspect of the lateral 3 1⁄2 fingers AND the dorsal aspect of the same fingers distally (in the area of the nail bed)
• Enters the hand under the flexor retinaculum through the carpal tunnel • Recurrent (Thenar) Branch:
• First branch distal to the flexor retinaculum
• Enters the thenar eminence
• Innervates 1⁄2 LOAF:
▪ 1st & 2nd Lumbricals
▪ Opponens pollicis
▪ Abductor pollicis brevis ▪ Flexor pollicis brevis
• Will become
common palmar digital nerves and then
proper palmar digital nerves
▪ Provides cutaneous sensation to the palmar aspect of the lateral 3 1⁄2 fingers AND the dorsal aspect of the same fingers distally (in the area of the nail bed)
Extra 2
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