PE chapter 2 Flashcards

1
Q

first class lever

A

LFE

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2
Q

second class lever

A

ELF

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3
Q

third class lever

A

FEL

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4
Q

load arm

A

distance from fulcrum to load

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5
Q

effort arm

A

distance from fulcrum to effort

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6
Q

mechanical advantage

A

ability to lift large loads with little effort

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7
Q

isotonic contraction

A

muscles contract and change length

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8
Q

concentric contraction

A

muscles contract and shorten

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9
Q

eccentric contraction

A

muscles contract and lengthen

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10
Q

isometric contraction

A

muscles contract and do not lengthen when they move

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11
Q

frontal plane goes with

A

sagittal axis

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12
Q

transverse plane goes with

A

longitudinal axis

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13
Q

sagittal plane goes with

A

transverse axis

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14
Q

phrase to remember planes/axis is

A

SomeTimesFunStartsTooLate

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15
Q

frontal plane

A

vertically, front to back

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16
Q

sagittal axis

A

horizontally, front to back

17
Q

transverse plane

A

horizontally, top to bottom

18
Q

longitudinal axis

A

vertically, through the body

19
Q

sagittal plane

A

vertically, left to right

20
Q

transverse axis

A

horizontally, left to right

21
Q

flexion

A

movement at the joint where the angle decreases

22
Q

extension

A

movement at the joint where the angle increases

23
Q

abduction

A

movement where the limb is moved away from the body

24
Q

adduction

A

movement where the limb is moved towards the body

25
Q

dorsiflexion

A

movement where the toe/ankle is pointed towards the body

26
Q

plantar flexion

A

movement where the toe/ankle is pointed away from the body

27
Q

rotation

A

movement where limbs are turned

28
Q

example of first class lever

A

elbow extension

29
Q

example of second class lever

A

plantar flexion

30
Q

example of third class lever

A

every other movement!

31
Q
A