lec 8: appendicular skeleton

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22 Terms

1
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pectoral girdle

shoulder

  • clavicle

  • scapula


<p>shoulder</p><ul><li><p>clavicle </p></li><li><p>scapula </p></li></ul><p></p>
2
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upper limb

30 bones form skeletal framework

arm, forearm and hand

<p>30 bones form skeletal framework</p><p>arm, forearm and hand</p>
3
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arm

humerus

<p>humerus</p>
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forearm

radius and ulna

<p>radius and ulna</p>
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hand

  • 8 carpal bones in the wrist

  • 5 metacarpal bones in the palm

  • 14 phalanges in the fingers (3 bones for each finger, except 2 bones for thumb)


<ul><li><p>8 carpal bones in the wrist</p></li><li><p>5 metacarpal bones in the palm</p></li><li><p>14 phalanges in the fingers (3 bones for each finger, except 2 bones for thumb)</p></li></ul><p></p>
6
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pelvic girdle

hip

  • ilium

  • ischium

  • pubis


<p>hip</p><ul><li><p>ilium</p></li><li><p>ischium</p></li><li><p>pubis </p></li></ul><p></p>
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lower limb

thigh, leg and foot

<p>thigh, leg and foot</p>
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glenoid cavity

shallow socket to allow mobility

<p>shallow socket to allow mobility </p>
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acromion

attaches scapula and clavicle

<p>attaches scapula and clavicle </p>
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humerus

  • articulates superioly with glenoid cavity of scapula

  • articualtes inferiorly with radius and ulna


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humerus bone

  • head of humerus

  • trochlea

  • capitulum


<ul><li><p>head of humerus</p></li><li><p>trochlea</p></li><li><p>capitulum </p></li></ul><p></p>
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ulna

  • medial bone in forearm

  • forms major portion of elbow jt with humerus


<ul><li><p>medial bone in forearm</p></li><li><p>forms major portion of elbow jt with humerus </p></li></ul><p></p>
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radius

  • lateral bone in forearm

  • forms major portion of wrist jt

  • head articulates with capitulum of humerus and radial notch of ulna


<ul><li><p>lateral bone in forearm</p></li><li><p>forms major portion of wrist jt</p></li><li><p>head articulates with capitulum of humerus and radial notch of ulna</p></li></ul><p></p>
14
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interosseous membrane

connects radius and ulna along their entire length

<p>connects radius and ulna along their entire length</p>
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the trochlea and capitulum of humerus form…

part of the elbow joint (anterior view)

<p>part of the elbow joint (anterior view)</p>
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olecranon …

= elbow (posterior view)

<p>= elbow (posterior view) </p>
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hand

  • carpus

  • metacarpus

  • phalanges


<ul><li><p>carpus</p></li><li><p>metacarpus</p></li><li><p>phalanges</p></li></ul><p></p>
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carpus

wrist

  • 8 bones in 2 rows

    • proximal row — lateral to medial

      • scaphoid, lunate, triquetrum and pisiform

  • distal row — lateral to medial

    • trapezium, trapezoid, capitate and hamate


<p>wrist</p><ul><li><p>8 bones in 2 rows</p><ul><li><p>proximal row — lateral to medial </p><ul><li><p>scaphoid, lunate, triquetrum and pisiform </p></li></ul></li></ul></li><li><p>distal row — lateral to medial </p><ul><li><p>trapezium, trapezoid, capitate and hamate </p></li></ul></li></ul><p></p>
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metacarpus

palm

  • head

  • shaft

  • base


<p>palm</p><ul><li><p>head</p></li><li><p>shaft</p></li><li><p>base</p></li></ul><p></p>
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phalanges

fingers

  • distal

  • middle

  • proximal


<p>fingers</p><ul><li><p>distal </p></li><li><p>middle</p></li><li><p>proximal</p></li></ul><p></p>
21
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4 markings of the scapula

  1. acromion

  2. glenoid fossa

  3. coracoid process

  4. fossa


<ol><li><p>acromion </p></li><li><p>glenoid fossa</p></li><li><p>coracoid process</p></li><li><p>fossa </p></li></ol><p></p>
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