PE chapter 2 Flashcards
1
Q
first class lever
A
LFE
2
Q
second class lever
A
ELF
3
Q
third class lever
A
FEL
4
Q
load arm
A
distance from fulcrum to load
5
Q
effort arm
A
distance from fulcrum to effort
6
Q
mechanical advantage
A
ability to lift large loads with little effort
7
Q
isotonic contraction
A
muscles contract and change length
8
Q
concentric contraction
A
muscles contract and shorten
9
Q
eccentric contraction
A
muscles contract and lengthen
10
Q
isometric contraction
A
muscles contract and do not lengthen when they move
11
Q
frontal plane goes with
A
sagittal axis
12
Q
transverse plane goes with
A
longitudinal axis
13
Q
sagittal plane goes with
A
transverse axis
14
Q
phrase to remember planes/axis is
A
SomeTimesFunStartsTooLate
15
Q
frontal plane
A
vertically, front to back