Lab 7 Flashcards
1
Q
effort
A
muscle insertion
2
Q
fulcrum
A
joint
3
Q
load
A
weight
4
Q
first class
A
LFE
5
Q
second class
A
FLE
6
Q
third class
A
LEF
7
Q
Example of LFE
A
raises head of chest; L-head F-atlanto-occipital joint E- posterior neck muscles
8
Q
Example of FLE
A
stand on tip-toe
9
Q
Example of LEF
A
flexing arm
10
Q
EA
A
Effort arm; fulcrum to effort
11
Q
LA
A
Load arm; fulcrum to load
12
Q
Equation
A
E=(LxLA)/EA
