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The Extensor forearm and hand

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Question
Answer
What is the blood supply of the extensor forearm?   show
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show radial nerve + branches  
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What are the (6) superficial muscles of the extensor compartment?   show
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show Supinator, abductor pollicis longus, extensor policis brevis, extensor pollicis longus, extensor indicis  
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Brachioradialis: nerve, action   show
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show Extends and abducts hand at the wrist joint  
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show deep branch of radial nerve, extends and abducts hand at the wrist joint  
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show posterior interosseus branch of radial nerve, extends fingers, knuckles, and hands at the wrist joint  
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show Posterior interosseus branch of radial nerve, extends little finger  
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show posterior interosseus branch of radial nerve, extends and adducts hand at the wrist joint  
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Supinator: nerve, action   show
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show Inflammation of common extensor tendon of the lateral epicondyle of the humerus  
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show Pain in lateral aspect of elbow (may radiate down to posterior forearm and dorsum of hand)  
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show Excessive/heavy supination/pronation of forearm (e.g. shoveling snow)  
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Abductor pollicis longus: nerve, action   show
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show Posterior interosseus branch of radial nerve, extends thumb, knuckle, and wrist  
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show posterior interosseous branch of radial nerve, extends thumb, knuckle, and wrist  
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show posterior interosseus branch of radial nerve, extends index finger, knuckle, and wrist  
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The radial nerve descends between the ____ and the ____ muscles   show
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show Lateral; anteriorly; Posterior interosseus nerve  
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show Triangular shaped thickening of deep fascia covering central palm  
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The apex of the palmar aponeurosis receives insertion from the ___ ___ tendon.   show
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The palmar aponeurosis divides at the base of the fingers into four slips which each subdivide into two additional slips and attach to the ___ ___ __ and the __ ___ ___ ___.   show
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show Dupuytren's contracture  
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show Thickening and contracture of plamar aponeurosis-->flexing of ring finger into palm at the metacarpophalangeal joint; flexion of proximal interphalangeal joints; DISTAL INTERPHALANGEALS NOT INVOLVED  
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show Space under flexor retinaculum where long flexor tendons and median nerve pass through  
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How are the tendons of the carpal tunnel arranged?   show
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show Lateral  
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show At the knuckle joints, except for the little finger (that one goes to the distal phalanx)  
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Which tendon gets its own synovial sheath?   show
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show Surrounds the synovial sheaths that attache to the sides of the phalanges from the head of the metacarpal bones to the base of the distal phalanges (closed at ends)  
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Name the thenar muscles of the hand (3)   show
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Name the adductor compartment muscles (1)   show
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show recurrent branch of median nerve, abducts thumb  
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Flexor pollicis brevis: nerve, action   show
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Opponens pollicis: nerve, action   show
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Adductor pollicis: nerve, action   show
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Name the hypothenar muscles (3)   show
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show deep branch of ulnar nerve, abducts the little finger  
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Flexor digiti minimi: nerve, action   show
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Opponens digiti minimi: nerve, action   show
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show first and second: median nerve; third and fourth: ulnar nerve. Flexes metacarpophalangeal joints (knuckle) and extends interphalangeal joint  
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Name the interosseous muscles (2)   show
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show deep branch of ulnar nerve, flex metacarpophalangeal joints, extend interphalangeal joints, adduct fingers towad center of middle finger  
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show Deep branch of ulnar nerve, flex metacarpophalangeal joints, extends interphalangeal joints, abduct fingers from center of third finger  
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show It is superficial to flexor r.; lateral to nerve and pisiform bone  
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show The deep ulnar branch, which passes between abductor digiti minimi and flexor digiti minimi  
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show Superficial palmar; superficial palmar branch of the radial artery  
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show All of the sides of the fingers EXCEPT for the thumb and the radial side of the index finger  
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What two arteries join together to complete the deep palmar arch?   show
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show The superficial palmar branch  
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show The anatomical snuff box  
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show Two heads of the first dorsal interosseus muscle  
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show Deep palmar arch  
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What artery supplies the lateral side of the index finger?   show
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show The princeps pollicis artery (branch of radial artery; splits into two for the two sides of thumb)  
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show Deep  
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What motor and sensory information does the median nerve provide?   show
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What motor and sensory information does the ulnar nerve provide?   show
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The ulnar nerve enters palm by passing (deep/superficial) to the flexor retinaculum and immediately (lateral/medial) to the pisiform bone.   show
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