Levers Flashcards
1
Q
What is a lever
A
In your body, the term ‘lever’ refers to a system of muscles
and bones working together to help you move.
2
Q
How do levers work
A
When you exercise, your muscles pull on your bones, and
your bones create movement, acting as levers.
3
Q
Axis
A
An imaginary straight line around which the lever rotates
4
Q
Fulcrum
A
The point around which a lever rotates
5
Q
Load
A
The force that is applied by the lever system
6
Q
Effort
A
The force applied by the user of the lever system
7
Q
3 Types of levers
A
1) first class
2) second class
3) third class
8
Q
Example of a first clas lever
A
The joint between the skull and the first vertebrae is a first class lever
9
Q
Example of a second class lever
A
The heel joint
10
Q
Third class lever example
A
The elbow joint
