Flashcard Set Preview
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hand
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- portion of the upper limb distal to the forearm- areas of the hand:PalmThenarHypothenarFingers
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Thenar
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ball of the thumb
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Hypothenar
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ball of the little finger
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Name and #'s fo the fingers
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1- thumb (pollex)2 - Index3 - middle4 - Ring5 - Little
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Carpal bones
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- the hand has 8 arranged in 2 rows:Proximal row of 4Distal row of 4- arranged in the form...
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Proximal row of carpal bones
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From lateral to medial:ScaphoidLunateTriangularPisiform
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Distal row of carpal bones
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From lateral to medial:TrapeziumTrapezoidCapitateHamate
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Changed terminology for carpal bones
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New OldTrapezium Greater multangularTrapezoid...
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Palmar aponeurosis
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- a triangular connective tissue membrane between the subcutaneous tissue of ht palm and the...
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Fibrous digital sheath
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- a strong connective tissue structure that arches over the tendons flexing the digits- there...
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Synovial sheaths
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- loose connective tissue bursae located wherever tendons are retained by retinacula - located...
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Flexor retinaculum
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- a transverse fibrous structure anterior to the carpals- the lateral attachment consists of...
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Carpal canal
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- formed by the flexor retinaculum and the arch of the carpal bones- retains the 9 long tendons...
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long tendons to the digits
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9 of them, all retained in the carpal canal- 4 tendons of flexor digitorum superficialis- 4...
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Extensor retinaculum
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- a transverse fibrous structure located on the posterior surface of the distal forearm- lateral...
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compartments formed by the extensor retinaculum
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- 6 of them formed by the septa, which attaches to ridges on the posterior surface of the radius...
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contents of the 6 compartments
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tendons, from lateral to medial:1st compartmentAbductor pollicis longusExtensor pollicis brevis2nd...
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