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Savarese > Chapter 7 Elbow, Wrist, Hand > Flashcards

Chapter 7 Elbow, Wrist, Hand Flashcards

1
Q

Only muscle of thenar eminence NOT innervated by median n?

A

Adductor pollicis brevis (ulnar n)

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2
Q

Innervation of lumbricals?

A

1st-2nd innervated by median n; 3rd-4th innervated by ulnar n

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3
Q

What attaches to the DIPs?

A

Flexor digitorum profundus

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4
Q

What attaches to PIPs?

A

Flexor digitorum superficialis

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5
Q

Carrying angle?

A

Intersection of 1) longitudinal axis of humerus and 2) line from distal radial-ulnar joint passing thru proximal radial-ulnar joint

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6
Q

CA for men?

A

5 degrees

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7
Q

CA for women?

A

10-12 degrees

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8
Q

CA >15 degrees?

A

Cubitus valgus OR abducation of ulna in SD

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9
Q

CA

A

Cubitus varus OR adduction of ulna in SD

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10
Q

An increase in CA causes what wrist motion?

A

Adduction of wrist

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11
Q

A decreased in CA causes what wrist motion?

A

Abduction of wrist

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12
Q

What motions occur with adduction of ulna?

A

Lateral glide of olecranon, radius is pulled proximally resulting in abduction of wrist

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13
Q

What motions occur with abduction of ulna?

A

Medial glide of olecranon, radius is pushed distally resulting in adduction of wrist

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14
Q

Radial head motion?

A

Anterior with supination; posterior with pronation

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15
Q

Location of reference when naming ulna motion?

A

Distal ulna

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16
Q

Common cause of posterior radial head?

A

Falling on pronated forearm

17
Q

Common cause of anterior radial head?

A

Falling backward on supinated forearm

18
Q

Gold standard dx for carpul tunnel?

A

EMG

19
Q

Swan neck deformity?

A

Flexion contracture of MCP and DIP, extension contracture of PIP

20
Q

Boutonniere deformity?

A

Extension contracture of MCP and DIP, flexion contracture of PIP

21
Q

Cause of swan neck?

A

Contracture of intrinsic mm of hand

22
Q

Cause of boutonniere?

A

Rupture of hood o extensor tendon at PIP

Savarese (32 decks)

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