Lever Classes Quiz
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Questions and Answers

What is an example of a first class lever in the human body?

The neck when raising the head

In a second class lever, where is the fulcrum located?

At one end

Which muscle is the effort in the second class lever example of the ankle?

Gastrocnemius (calf muscle)

What is an example of a second class lever in the human body?

<p>The ankle when a person's weight is going through the middle</p> Signup and view all the answers

When does a sprinter use a second class lever in the human body?

<p>When exploding out of the blocks in a race</p> Signup and view all the answers

In a third class lever, where is the load (resistance) located?

<p>At the other end from the fulcrum</p> Signup and view all the answers

What is an example of a third class lever in the human body?

<p>Bicep curl</p> Signup and view all the answers

What is the role of the gastrocnemius in the second class lever example of the ankle?

<p>To apply the effort to produce plantar flexion of the foot</p> Signup and view all the answers

What type of lever is involved when the neck muscles are used to raise the head?

<p>First class lever</p> Signup and view all the answers

How is the ankle joint involved in the second class lever example of the ankle?

<p>It is moved to plantar flexion by the gastrocnemius</p> Signup and view all the answers

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