thenar muscles Flashcards

1
Q

abductor pollicis brevis origin

A

flexor retinaculum

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2
Q

abductor pollicis brevis insertion

A

proximal phalanx of digit 1

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3
Q

abductor pollicis brevis action

A

ABD thumb

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4
Q

abductor pollicis brevis innervation

A

median nerve

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5
Q

opponents pollicis origin

A
  • flexor retinaculum
  • scaphoid
  • trapezium
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6
Q

opponents pollicis insertion

A

MC #1

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7
Q

opponents pollicis action

A

opposition of thumb

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8
Q

opponents pollicis innervation

A

median nerve

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9
Q

flexor pollicis brevis origin

A
  • flexor retinaculum
  • scaphoid
  • trapezium
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10
Q

flexor pollicis brevis insertion

A

proximal phalanx of digit 1

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11
Q

flexor pollicis brevis action

A

flex thumb

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12
Q

flexor pollicis brevis innervation

A
  • median nerve
  • ulnar nerve
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13
Q

adductor pollicis origin

A
  • MC 2
  • MC 3
  • capitate
  • trapezoid
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14
Q

adductor pollicis insertion

A

proximal phalanx of digit 1

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15
Q

adductor pollicis action

A

ADD thumb

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16
Q

adductor pollicis innervation

A

ulnar nerve