ay Where, in the human body, is the location of motion?

2, What are the three general classes of joints to which all articulations of
the body belong?

3. Define: Abduction, Adduction, Circumduction. es e

4. Compare the flexibility and stability of the articulations of the upper and
lower extremities. |

5. Whytis it more difficult to sit erect on the floor with kmees extended than
to sit erect on a chair or bench?

6. Cen the fingers flex as tightly when the wrist is flexed as when it is straight?
Explain why. :

7. What do we mean by “state of tonus"?

8. In joints suchas the knee, hip, or elbow, where movement is distinctly limited
in one or more directions, describe the anatomical cause of that limitation of
movemente