Levers are needed within the body so that any small forces can be used to help the bigger forces which are needed. The muscle and bones come together to make a lever, this helps to turn a pivot joint also known as mechanic advantage. There are 4 areas of a lever such as the bone on our bones turn to lever arms, the joints turn to pivots, the muscles stimulate effort to move the force or load and the body parts give muscles strength to move what needs lifted.
1st class levers are very uncommon within the human body, as the body is made up more of 2nd and 3rd class levers. The 1st class lever is a pivot joint which is situated in-between the effort of force and the load which is being lifted or moved. The muscles provide effort force and is
1st class levers are very uncommon within the human body, as the body is made up more of 2nd and 3rd class levers. The 1st class lever is a pivot joint which is situated in-between the effort of force and the load which is being lifted or moved. The muscles provide effort force and is