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yr2 Control + Movement > 4 (M) Hand > Flashcards

4 (M) Hand Flashcards

1
Q

How many lumbrical muscles are there

A

4

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2
Q

How many palmar interosseous muscles are there?

Dorsal?

A

3 palm

4 dorsal

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3
Q

Hypothenar eminence + Interossei + medial 2 lumbrical muscles + adductor pollicis are innervated by what?

A

Deep branch of Ulnar

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4
Q

The thenar eminence muscles are innervated by what?

A

Recurrent branch of Median nerve

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5
Q

From top of thumb to base of thumb, what are the thenar eminence muscles

A

F A O (fuck all onions)

Flexor pollicis brevis
Abductor Pollicis brevis
Oppenens pollicis

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6
Q

Lumbrical muscles are innervated by what?

A

2nd 3rd digit = Median

4th 5th digit = ulnar

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7
Q

Palmar interossei movement?

innervation

A

Aduction (PAD)

Deep branch of ulnar

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8
Q

Claw hand is damage to what?

A

ulnar nerve

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9
Q

Whaat is worse, high or low lesion to ulnar nerve?

A

Low lesions

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10
Q

Bishops hand =

A

High median nerve injury

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11
Q

What muscles can bishop hand patients not use?

A

2nd 3rd to flex to make a fist = thenar weakness

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12
Q

Atrophy of interossei occurs in what condition

A

Claws hand

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13
Q

Simian hand occurs in what lesion

A

Low lesion

high = bishop

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14
Q

Heberdens nodes =

A

Distal interphalangeal joint

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15
Q

Bouchards nodes =

A

Proximal interphalangeal joint

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16
Q

What joints are typically affected in RA

A

Metacarpalphalangeal

17
Q

What does the lumbrical muscle insert onto

A

Extensor expansion

18
Q

What do the lumbrical muscles arise from?

A

Flexor digitorum profundus

19
Q

Dorsal Interosseous muscles attach to what?

A

Extensor expansion + Proximal phalanges

20
Q

FDS injury would be unaffected by what?

A

unaffected by median nerve damage at the wrist

unaffected by ulnar nerve damage at the elbow

21
Q

radial artery passes between what?

A

It passes between the 2 heads of the 1st dorsal interosseous muscle

yr2 Control + Movement (24 decks)

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