PE chapter 2

Question 1

first class lever

Answer 1

LFE

Question 2

second class lever

Answer 2

ELF

Question 3

third class lever

Answer 3

FEL

Question 4

load arm

Answer 4

distance from fulcrum to load

Question 5

effort arm

Answer 5

distance from fulcrum to effort

Question 6

mechanical advantage

Answer 6

ability to lift large loads with little effort

Question 7

isotonic contraction

Answer 7

muscles contract and change length

Question 8

concentric contraction

Answer 8

muscles contract and shorten

Question 9

eccentric contraction

Answer 9

muscles contract and lengthen

Question 10

isometric contraction

Answer 10

muscles contract and do not lengthen when they move

Question 11

frontal plane goes with

Answer 11

sagittal axis

Question 12

transverse plane goes with

Answer 12

longitudinal axis

Question 13

sagittal plane goes with

Answer 13

transverse axis

Question 14

phrase to remember planes/axis is

Answer 14

SomeTimesFunStartsTooLate

Question 15

frontal plane

Answer 15

vertically, front to back

Question 16

sagittal axis

Answer 16

horizontally, front to back

Question 17

transverse plane

Answer 17

horizontally, top to bottom

Question 18

longitudinal axis

Answer 18

vertically, through the body

Question 19

sagittal plane

Answer 19

vertically, left to right

Question 20

transverse axis

Answer 20

horizontally, left to right

Question 21

flexion

Answer 21

movement at the joint where the angle decreases

Question 22

extension

Answer 22

movement at the joint where the angle increases

Question 23

abduction

Answer 23

movement where the limb is moved away from the body

Question 24

adduction

Answer 24

movement where the limb is moved towards the body

Question 25

dorsiflexion

Answer 25

movement where the toe/ankle is pointed towards the body

Question 26

plantar flexion

Answer 26

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

Question 27

rotation

Answer 27

movement where limbs are turned

Question 28

example of first class lever

Answer 28

elbow extension

Question 29

example of second class lever

Answer 29

plantar flexion

Question 30

example of third class lever

Answer 30

every other movement!