All Things Levers

Question 1

What is a Class 1 Lever?

Answer 1

In which the fulcrum (axis) is between the effort and the load.

EFL = Effort/Fulcrum/Load

Effort = Force
Fulcrum = Axis of Rotation
Load = Resistance

Question 2

What is an Example of a Class 1 Lever?

Answer 2

Triceps Brachii

or

See Saw

Question 3

What is a Class 2 Lever?

Answer 3

In which the length of the effort arm is (ALWAYS) longer than the resistance arm.

FLE = Fulcrum/Load/Effort

Question 4

What is an example of a second class lever?

Answer 4

Wheel barrow

Ankle Joint (PF)

Question 5

What is a Class 3 Lever?

Answer 5

The length of the effort arm is (ALWAYS) shorter than the length of the Resistance/LOAD arm

FEL = Fulcrum/Effort/Load

Question 6

What is an example of a 3rd class lever?

Answer 6

Biceps brachii = Curl

Most things in the body are a 3rd class lever i.e they are the most common lever found in the body