Week five OIA Upper E Flashcards

1
Q

Origin of adductor pollicis

A

Capitate, 2nd and 3rd metacarpal

2-3 got capitated

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2
Q

Insertion of adductor pollicis

A

The base of the proximal phalange of the thumb

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3
Q

Action of adductor pollicis

A

Adducts thumb at MCP and CMC, assists in flexion thumb

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4
Q

Origin of flexor pollicis brevis

A

Superficial: flexor retinaculum
Deep: trapezium, trapezoid capitate

FT, TTC
Top 3 pinky side nuckles

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5
Q

Insertion of flexor pollicis brevis

A

Base of proximal phalange of the thumb

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6
Q

Action of flexor pollicis brevis

A

Flex thumb at MCP and CMC, assist in opposition of the thumb

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7
Q

Origin of abductor pollicis brevis

A

Flexor retinaculum, trapezium, scaphoid tubercles

FR, scate away from the trapezium

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8
Q

Insertion of abductor pollicis brevis

A

Base of proximal phalange of thumb

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9
Q

Action of abductor pollicis brevis

A

abducts thumb, assist opposition thumb

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10
Q

Origin of opponens pollicis

A

flexor retinaculum and tubercle trapezium

FR and trapezium

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11
Q

Insertion of opponens pollicis

A

Entire length of 1st metacarpal, radial

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12
Q

The action of opponens pollicis

A

opposition of thumb at CMC

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13
Q

Origin of flexor digiti minimi brevis

A

Hook of hamate, flexor retinaculum

HH and FR

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14
Q

Insertion of flexor digiti minimi brevis

A

Base of proximal 5th phalange, palmar surface

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15
Q

Action of flexor digiti minimi brevis

A

Flextion of 5th finger, assist opposition of thumb

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16
Q

Origin of abductor digiti minimi

A

Pisiform and tendon of flexor carpi ulnaris

17
Q

Insertion of abductor digiti minimi

A

Base of proximal phalanx 5th finger, ulnar surface

18
Q

Action of abductor digiti minimi

A

Abducts 5th phalange, assist opposition of 5th finger to thumb

19
Q

Origin of oppenens digiti minimi

A

Hook of hamate, flexor retinaculum

HH and FR

20
Q

Insertion of oppenens digiti minimi

A

Shaft 5th metacarpal, ulnar surface

21
Q

Action of oppenens digiti minimi

A

Opposition of 5th finger at CMC joint

22
Q

Origin of palmar interossei

A

Base of 1-2 and 4-5 metacarpals

23
Q

Insertion of palmar interossei

A

Base of proximal phalanx of related finger and the extensor aponeurosis

24
Q

Action of palmar interossei

A

Adducts, flexion and extension of 1,2,4,5 fingers

25
Q

Origin of dorsal interossei

A

adjacent sides of all metacarpals

26
Q

insertion of dorsal interossei

A

Base of proximal phalanx of 2-4 fingers and extensor aponeurosis

27
Q

Action of dorsal interossei

A

Abduction, flexion, extension of 2-4 fingers at MCP

28
Q

Origin of lumbricals

A

Surfaces of flexor digitorum profundus tendons

29
Q

Insertion of lumbricals

A

Extensor aponeurosis on dorsal surface of phalange

30
Q

Action of lumbricals

A

Extension and flexion 2-5 fingers at IP and MCP