5 - The Hand Part1 - D3

5 The Hand Part1 - The anatomy of the wrist hand Done by Mohad mubarak Sameer esawi A Bones 8 bones form the wrist or carpus 5 bones form the

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The anatomy of the wrist & hand Done by: Mohad mubarak Sameer esawi
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A- Bones 8 bones form the wrist or carpus; 5 bones form the metacarpus or palm. The remaining 14 are digital bones.
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These eight bones of the wrist are arranged in two rows of four ( proximal and distal rows). The proximal raw : pisiform – tiquetrum-lunate-scaphoid The distal raw : hamate – capitate-trapezoid-trapezium
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Base- shaft – head the 14 phalnges are divided to Proximal-Middle – distal . Exept the the thumb which contain only the proximal & the distal
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B- The joints of the hand. 1- wrist : the distal end of the radius articulates with two bones of the proximal raw of the carbal bone which are the lunate & the scaopoid & triquetrum to form the wrist joint 2- Intercarpal joints : Articulation between the carpal bones .
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3- carpometacarpal joints : The base of metacarpals articulate with the distal raw of the carpal bones . 1 st metacarpal …. . Trapezium 2 nd metacarpal ….trapezoid , trapezium ., capitate . 3 rd metacarpal …….capitate. 4 th metacarpal ……hamate , capitate . 5 th metacarpal …. .hamate. 4- metacarpophalangeal joint : The head of the metacarpals articulate with the base of thr proximal phalnges 5- interphalangeal joint : Which are 9 joints articulate between the phalnges . Ther is distal & proximal phalangeal joints .exept the thumb .
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The muscles of the hand subdivided into : 1- The intrinsic muscles are located within the hand itself. 1- thenar . 2- hypothenar . 3- lumbrical. 4- Interossei. 2- The extrinsic muscles
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This note was uploaded on 12/24/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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5 The Hand Part1 - The anatomy of the wrist hand Done by Mohad mubarak Sameer esawi A Bones 8 bones form the wrist or carpus 5 bones form the

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