Flashcards
Upper Limb Neuro
Cards in this deck (9)
- 1Median Nerve: Root + CourseC6-T1 (some C5)
Medial + Lateral brachial plexus cords --> axilla --> lateral to brachial artery --> 1/2 down arm crosses brachial A. to medial side --> enters ant. compartment of forearm via cubital fossa --> branches (ant. interosseous nerve + palmar cutaneous). --> hand via carpal tunnel --> branches (recurrent branch + palmar digital) - 2Anterior interosseous nerveDeep muscles in ant. forearm:
1. lateral part of flexor digitorum profundus
2. flexor pollicis longus
3. pronator quadratus - 3Hand Palmar cutaneous nerveInnervates skin of lateral palm
- 4Hand Recurrent branchInnervates the thenar muscles
- 5Hand Palmar digital branch1. Palmar surface and fingertips of lateral 3 1/2 digits
2. Lateral 2 lumbricals - 6Median nerve directly supplies anterior compartment of forearm Superficial + intermediate layers:Anterior compartment:
Superficial - pronator teres, flexor carpi radialis + palmaris longus
Intermediate - flexor digitorum superficialis - 7Median nerve damage at elbowsupracondylar fracture of humerus
Hand of benediction when asked to make a fist
wasted thenar eminence, loss of sensation lateral 3 1/2 digits - 8Median nerve damage at wrist mechanism motor signsLacerations proximal to flexor retinaculum
thenar muscle paralysis, lateral 2 lumbrical paralysis, affects opposition of thumb and flexion of index + middle fingers (hand of benediction but forearm sparing) - 9—
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- Medicine (Anatomy) Flashcards on Upper Limb Neuro , created by Maisy Titterton on 29/11/2019.
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- Maisy Titterton
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