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hl10522 - anatomy and biomechanics > Week 10 - The Elbow, Wrist and Hand > Flashcards

Week 10 - The Elbow, Wrist and Hand Flashcards

1
Q

what 3 joints make up the elbow ?

A
  • humeroulnar
  • humeroradial
  • proximal radioulnar
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2
Q

describe the humeroulnar joint

A
  • hinge

- formed by articulation of SEMIULNAR NOTCH OF ULNA and TROCHLEA OF HUMERUS

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3
Q

describe the humeroradial joint

A
  • formed by articulation between CAPITLUM OF HUMERUS with HEAD OF RADIUS
  • movement restricted by annular ligament
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4
Q

describe the proximal radioulnar joint

A
  • pivot joint

- articulation of HEAD OF RADIUS with the RADIAL FOSSA on the ULNAR

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5
Q

what 3 ligaments stabilise the elbow joint ?

A
  • ulnar collateral ligament
  • radial collateral ligament
  • annular ligament
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6
Q

what are the flexor muscles of the elbow

A
  • brachialis
  • biceps brachii
  • brachioradialis
  • pronator teres
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7
Q

what are the extensor muscles of the elbow ?

A
  • triceps brachii

- anconeus

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8
Q

what are the pronator muscles of the elbow ?

A
  • pronator teres

- pronator quadratus

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9
Q

what are the supinator muscles of the elbow ?

A
  • supinator

- biceps brachii

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10
Q

what are the wrist joints ?

A
  • distal radioulnar joint
  • radiocarpal
  • midcarpal and intercarpal
  • carpometacarpal
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11
Q

describe the distal radioulnar joint

A
  • pivot

- allows radius to rotate around the ulnar

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12
Q

describe the radiocarpal joint

A
  • condyloid

- allows for flexion, extension, radial and ulnar deviation

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13
Q

name the carpal bones

A
  • scaphoid
  • lunate
  • triquetrum
  • pisiform
  • trapezoid
  • trapezium
  • capitate
  • hamate
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14
Q

describe the midcarpal and intercarpal joints

A
  • articulations between the proximal and distal row of carpals and between the individual carpals
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15
Q

describe the carpometacarpal joint

A
  • modified saddle

- flexion, extension, abduction, adduction, circumduction, opposition

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16
Q

what are the finger joints ?

A
  • metacarpophalangeal

- interphalangeal

17
Q

describe the metacarpophalangeal joints

A
  • condyloid

- flexion, extension, abduction, adduction

18
Q

describe the interphalangeal joints

A
  • hinge

- flexion, extension

19
Q

what are the wrist flexors ?

A
  • pronator teres
  • flexor carpi ulnaris (FCU)
  • flexor carpi radialis (FCR)
  • flexor digitorum superficialis (FDS)
20
Q

what are the wrist extensors ?

A
  • extensor carpi ulnaris (ECU)
  • extensor carpi radialis brevis (ECRB)
  • extensor digitorum (ED)
  • extensor digiti minimi

hl10522 - anatomy and biomechanics (18 decks)

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