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Kines Final Exam > Elbow > Flashcards

Elbow Flashcards

1
Q

MA greatest at 100 degrees of flexion

A

brachialis

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2
Q

unaffected by forearm position

A

brachialis

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3
Q

active during all types of contractions and speeds

A

brachialis

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4
Q

MA greatest b/w 80-100 degrees of flexion

A

biceps

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5
Q

does flexion and compression

A

brachioradialis

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6
Q

moment arm greatest at 100-120 degrees of flexion

A

brachioradialis

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7
Q

moment arm decreases with increased flexion

A

triceps

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8
Q

best position at 90 degrees; max isometric torque

A

triceps

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9
Q

axi is b.w force line and R

A

1st class lever

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10
Q

ex] gastroc

lever?

A

1st class

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11
Q

MAd depends

A

1st class

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12
Q

scissors

A

1st class

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13
Q

R is b/w F and A

A

2nd class

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14
Q

ex] brachioradialis

A

2nd class

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15
Q

MAd greater than 1

A

2nd class

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16
Q

wheelbarrow

nutcracker

A

2nd class

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17
Q

F is between R and A

A

3rd class

18
Q

ex] quads

A

3rd class

19
Q

MAd always less than 1

A

3rd class

20
Q

MAd greater than 1 means what?

A

EA is bigger than RA

21
Q

tweezers
throwing a ball
swinging a bat

A

3rd class

22
Q

elbow flexion produces what kind of tilt

A

varus tilt

23
Q

elbow extension produces what kind of tilt

A

valgus tilt

24
Q

during elbow flexion, radial head glides ? on humerus

A

anterior

25
Q

during elbow extension, radial head glides ? on humerus

A

posterior

26
Q

during pronation, radius moves

A

laterally

27
Q

during supination, radial head moves

A

medially

28
Q

during wrist extension, radius moves

A

cephalid

29
Q

during wrist flexion, radial head moves

A

caudal

30
Q

which ligs at proximal RU joint?

A

quadrate and annular ligs

31
Q

which ligs at distal RU joint?

A

dorsal and palmar radioulnar ligs

32
Q

quadrate lig limits

A

pronation and supination

33
Q

pronation limited by

A

bony approximation

34
Q

limited by passive tension of

palmar radioulnar ligament and oblique cord

A

supination

35
Q

when joint surfaces are not in maximal contact and supporting surfaces are relatively loose

A

open packed position

36
Q

maximal arthrokinematic motion available in this position

A

open packed

37
Q

radiohumeral and radioulnar in open packed position

A

70 flexion, 35 supination

38
Q

ulnahumeral open packed position

A

70-90 flexion

39
Q

lateral epicondylitis example

A

tennis elbow

40
Q

medial epicondylitis example

A

golfers elbow

41
Q

this muscle has large PCSA

A

brachialis

Kines Final Exam (7 decks)

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