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Kinesiology > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

__: increased curving of spine outward/backward in sagittal plane

A

kyphosis

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2
Q

__: increased curving of spine inward/forward in sagittal plane

A

lordosis

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3
Q

__: lateral curving of spine

A

scoliosis

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4
Q

__: folding of knees inward

A

valgus

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5
Q

__: outward angulation of distal segment of bone/joint. bowlegs

A

varus

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6
Q

sagittal plane movement:

A

running

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7
Q

frontal plane movement:

A

guarding

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8
Q

transverse plane movement:

A

rotation, throw/catch

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9
Q

resistance arms are __

A

bones

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10
Q

an axes in a lever is the __

A

joint

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11
Q

muscles contract to apply __

A

force

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12
Q

__ class lever: load, fulcrum, effort

A

1st

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13
Q

___ class lever: fulcrum, load, effort

A

2nd

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14
Q

__ class lever: fulcrum, effort, load

A

3rd

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15
Q

least common lever class in the body

A

2nd

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16
Q

most common lever class in the body

A

3rd

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17
Q

best class lever for lifting things

A

2nd

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18
Q

least advantageous lever class

A

3rd

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19
Q

mechanical advantage = (length _____ arm) / (length ____arm)

A

force, resistance

20
Q

high mechanical advantage = more __

A

power

21
Q

does a low mechanical advantage directly mean a disadvantage

A

no

22
Q

long arms mean the hand will travel at a greater __

A

velocity

23
Q

__ class levers produce balanced movements

A

1st

24
Q

in __ class levers, MA = 1

A

1st

25
Q

when MA = 1, __ = ___

A

force = resistance

26
Q

when MA < 1, this produces/ multiplies __ and __/___. this is when the axis is close to ___

A

speed, range of motion/ distance. force

27
Q

MA < 1 = an increase in ___

A

velocity

28
Q

MA > 1, produce/multiplies __ motion when axis is __ to resistance

A

force, close

29
Q

joint example of 2nd class lever

A

ankle

30
Q

2nd class lever is always MA _ 1

A

>

31
Q

in 3rd class levers, speed is __ than power

A

>

32
Q

3rd class levers require __ force to move small resistance

A

high

33
Q

in 3rd class levers, MA ___ 1

A

<

34
Q

when MA < 1, this is a mechanical ___

A

disadvantage

35
Q

in __ class levers, you can modify the distance of resistance from the fulcrum

A

3rd

36
Q

high distance = high ___

A

resistance

37
Q

__ may be modified by changing either force or moment arm

A

Torque

38
Q

1st class: MA __ 1 and ___ velocity

A

> , high

39
Q

2nd class: MA __ 1 and __ velocity and __ effort

A

> , low, low

40
Q

3rd class: __ resistance and __ velocity

A

low, high

41
Q

the length of the moment can change based on __ pattern

A

movement

42
Q

the moment arm is always __ to the ground

A

parallel

43
Q

low moment arm length = __ force needed

A

low

44
Q

longer moment are = __ leverage

A

more

45
Q

does anatomy play a role in kinesiology

A

yes

Kinesiology (9 decks)

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