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The Thenar Muscles include
- Flexor pollicis brevis
- Abductor pollicis brevis
- Opponens pollicis
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Flexor Pollicus brevis action and innervation
- Innervation
- Recurrent branch of median n.
- (C8, T1)
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Abductor pollicis brevis action and innervation
- Action
- Abducts thumb
- Helps to oppose thumb
- Innervation
- Recurrent branch of median n.
- (C8, T1)
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The radial collateral artery has an anastomoses with what artery
Radial Recurrent art.
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The middle collateral artery has an anastomoses with what art.
Recurrent Interosseuous art.
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The Superior ulnar collateral art. has an anastomoses with
Posterior ulnar recurrent art.
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The inferior ulnar collateral art. has an anastomoses with
Anterior ulnar recurrent art.
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Damage to the artery's that supply the elbow can cause
- Ischemic contracture "volkmann contracture"
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What is the important carpel bone of the thumb that forms its important joint
Trapezium
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On the dorsal side of the hand what are the carpal bones starting from the left side
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On the Anterior side of the hand, what are the carpal bones starting from the left side
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What is the name of the joint where the thumb does opposition
Carpometacarpal joint
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What is the action of a little wave of the hand
Reposition
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What is the thick portion of the palm of the hand called
Palmar Aponeurosis
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What is a Dupuytren Contracture
- A thickening and shortening of the palmar aponeurosis and fascia
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What is the action and innervation of the Opponens pollicus
- It opposes the thumb
- innervated recurrent branch of the median nerve
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The abductor digiti minimi has what action and innervation
- Abducts pinky finger
- Deep branch of the ulnar nerve
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What is the action and innervation for the opponens digiti minimi
- Opposes the pinky finger
- Deep branch of the ulnar n.
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What is the action and inn. of the flexor digiti minimi brevis
- flexes pinky
- Deep branch of ulnar n.
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The Adducter pollicis is innervated by
Deep branch of the ulnar n.
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What is the action and inn. of the Lumbricals
- Flex and extend digits 2-5
- Median n. and deep branch of ulnar n.
- The bye bye muscles
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What is the function and inn. of the Dorsal interossel muscles
- Abducts digits 2, 3, 4
- Deep branch of ulnar n.
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What is the action and inn. of the palmar interossel muscles
- Adducts digits 2, 4, 5
- Deep branch of the ulnar n.
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What is the boutonniere Deformity
- Caused by rheumatoid arthritis or a fall Palmar dislocation of middle phalanx
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Swan-neck deformity is
- Caused by Rheumatoid or a fall
- Dorsal dislocation of middle phalanx
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What is a mallet finger
- Direct blow to the distal phalanx
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Carpel tunnel is caused by
Inflammation under the tunnel of the Flexor retinaculum causing pain due to the compressed median nerve
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The inability to oppose the thumb would most likely be due to
Damage to the distal median nerve or recurrent branch of the median nerve
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What would cause a claw hand
compression of the ulnar nerve
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What is the anatomical snuff box made by
The extensor pollicus brevis tendon and extensor pollicus longus tendon
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The ulnar nerve is not protected by
flexor retinaculum
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