Analysis of Movements Flashcards
1
Q
What are the 2 cheat rules?
A
1) F R E
2) Everything is a 3rd class order lever except the ankle 2nd class order lever and the elvation of the elbow which is a 1st class order lever.
2
Q
Force Arm
A
The shortest distance between the fulcrum and the force (effort).
3
Q
Resistance Arm
A
The shortest distance between the fulcrum and the resistance.
4
Q
Mechanical Advantage
A
When the force arm is longer than the resistance arm.
5
Q
Mechanical Disadvantage
A
When the resistance arm is greater than the force arm.