application of iodine.

PRACTICAL QUESTIONS.

1. What class of lever is the foot when we lift a weight on the toes?

2. Explain the movement of the body backward and forward, when resting
upon the thigh bone as a fulcrum.

3. What class of lever do we use when we lift the foot while sitting down?

4. Explain the swing of the arm from the shoulder.

5. What class of lever is used in bending our fingers?

6. What class of lever is our foot when we tap the ground with our toes?

7. What class of lever do we use when we raise ourselves from a stooping
position?

8. What class of lever is the foot when we walk?

9. Why can we raise a heavier weight with our hand when lifting from the
elbow than from the shoulder?

10. What class of lever do we employ when we are hopping, the thigh bone
being bent up toward the body and not used?

11. Describe the motions of the bones when we are using a gimlet.