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Movement cards > Thenar muscles > Flashcards

Thenar muscles Flashcards

1
Q

Origin of flexor pollicis brevis?

A

Tubercle of the trapezium and the flexor retinaculum

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2
Q

Insertion of flexor pollicis brevis?

A

Proximal phalanx of thumb

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3
Q

Action of flexor pollicis brevis?

A

Flexes the thumb at the metacarpophalangeal joint

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4
Q

The thenar muscles are supplied by what nerve?

A

Recurrent branch of the median nerve

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5
Q

Damage to the reccurent branch of median nerve will lead to ?

A

Inability to grasp

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6
Q

Origin of abductor pollicics brevis?

A

Scaphoid and trapezium and retinaculum

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7
Q

Insertion of pollicis brevis?

A

Proximal phalanx and extensor hood of the thumb

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8
Q

Action of abductor pollicis brevis?

A

Abducts the thumb

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9
Q

Origin of Opponens pollicis?

A

`Tubercle of trapezium and flexor retinaculum

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10
Q

Insertion of Opponens pollicis?

A

Lateral margin and adjacent palmar surface of metacarpal I

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11
Q

Action of opponens pollicis?

A

medial rotation of thumb

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12
Q

Origin of flexor digiti minimi?

A

Hook of hamate and flexor retinaculum

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13
Q

Insertion of the flexor digiti minimi?

A

Proximal phalanx of little finger

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14
Q

Origin of opponens digiti minimi?

A

Hook of hamate and flexor retinaculum

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15
Q

Insertion of opponens digiti minimi?

A

Medial aspect of metacarpal 5

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16
Q

Action of opponens digiti minimi ?

A

Laterally rotates metacarpal 5

17
Q

Origin abductor digiti minimi?

A

Pisiform, pisohamate ligamanet, and tendon of flexor carpi ulnaris

18
Q

Insertion of abductor digiti minimi?

A

Proximal phalanx of the little finger (metacarpal 5)

19
Q

Origin of adductor pollicis? Transverse head?

A

Metacarpal III

20
Q

Origin of the oblique head of addcutor pollicis?

A

Capitate and bases of metacarpals II and III

21
Q

Insertion of adductor pollicis?

A

Base of proximal phalanx of the thumb

22
Q

Which artery passes anteromedially between the heads of adductor pollicis?

A

Radial

23
Q

Adductor pollicis is innervated by?

A

Deep ulnar nerve

Movement cards (10 decks)

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