levers Flashcards
1
Q
What is an example of a 1st class lever
A
atlanto-occipital joint (nodding head)
Fulcrum (joint) middle
2
Q
What is an example of a 2nd class lever?
A
Planter flexion at ankle
load is in middle
3
Q
What is an example of a 3rd class lever?
A
Flexion at elbow joint
force middle
4
Q
What is the most common type of lever in the body?
A
third class lever