UL: Hand Flashcards
Structures through the carpal tunnel
Median nerve
Flexor digitorum profundus
Flexor digitorum superficialis
Flexor pollicis longus
(flexor carpi radialis)
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Structures going over the carpal tunnel
Ulnar nerve
Ulnar artery
Palmaris longus tendon
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Palmar aponeurosis
Continuous of palmaris longus tendon if present otherwise anchored to the retinaculum
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Anatomical snuffbox borders
Extensor pollicis longus
Extensor pollicis brevis
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Anatomical snuffbox content
Scaphoid
Radial artery
Cephalic vein
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Origin and insertion of palmaris brevis
palmar apneurosis to skin on medial side
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Innervation of palmaris brevis
Superficial branch of ulnar nerve
Action of palmaris brevis
Improves grop
Origin and insertion of dorsal interossei
Adjacent metacarpals to proximal phalanges
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Origin and insertion of palmar interossei
Side of metacarpals to extensor hoods and proximal phalanx of thumb
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Innervation of dorsal and palmar interossei
Deep branch of ulnar
Action of interossei muscles
PAD DAB
Palmar adducts
Dorsal abducts
Origin and insertion of adductor pollicis
Transvers head: metcarpal 3
Oblique head: capitate and base of 2 and 3
To extensor hood of thumb
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Innervation of adductor pollicis
Deep ulnar nerve
Origin and insertion of lumbricals
Tendon of flexor digitorum produndus
To extensor hoods
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Innervation of lumbricals
Medial 2: deep ulnar
Lateral 2: digiatal branch of median
Action of lumbricals
MCP flexion
IP extension
Muscles of the thenar eminence
Opponens pollicis
Abductor pollicis brevis
Flexor pollicis brevis
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Origin and insertion of opponens pollicis
Tubercle of trapezium to lateral and palmar metacarpal
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Origin and insertion of Abductor pollicis brevis
Tubercle of scaphoid and trapezium to proximal phalanx
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Origin and insertion of flexor pollicis brevis
Tubercle of trapezium to proximal phalanx
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Innervation of thenar muscles
Recurrent branch of median nerve
Action of opponens pollicis
Medial rotation of thumb
Hypothenar muscles
Opponens digiti minimi
Abductor digiti minimi
Flexor digiti minimi brevis
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Origin and insertion of opponens digit minimi
Hook of hamate to medial metacarpal 5
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Origin and insertion of abductor digiti minimi
Pisiform to proximal phalanx
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Origin and insertion of flexor digiti minimi brevis
Hook of hamate to proximal phalanx
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Action of opponens digiti minimi
Lateral rotation of metacarpal 5
Innervation of hypothenar muscles
Deep branch of ulnar nerve
Guyon’s canal
Ulnar nerve crossing over carpal tunnel
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Median nerve branch at risk of damage over thenar eminence
recurrent branch
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Extensor retinaculum tunnels
6
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Structures superficial to extensor retinaculum
Cephalic and Basilic vein
Dorsal cutaneous branch of ulnar and superficial branch of radial nerve
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Structures deep to extensor retinaculum
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