levers Flashcards
1
Q
lever
A
A solid bar/bone that turns around the axis to create movement & contains 3 main components: fulcrum, resistance & effort.
2
Q
fulcrum
A
fixed point about which the lever can turn, can be known as pivot
3
Q
resistance
A
the load or weight the lever needs to move
4
Q
effort
A
the amount of force needed to move the resistance
5
Q
123
FRE
A
1st class lever, effort fulcrum, load
2nd class lever , effort load, fulcrum
3rd class lever, fulcrum, effort load
6
Q
example of first class lever
A
head or elbow ( extension)
7
Q
2nd class lever example
A
plantar flexion
8
Q
3rd class lever example
A
extension at knee
