THE FRAMEWORK OF THE BODY 243 



Practical Exercises 



1. How many joints in each of the four appendages of the human 

 skeleton? 



2. How many bones in the arm (from shoulder to elbow)? How 

 many in the forearm (from elbow to wrist) ? 



3. Which of the digits (fingers and toes) have one division less than 

 the others? 



4. Which section of the lower limb corresponds to the arm? 



5. How does the number of bones in the forearm compare with the 

 corresponding part in the lower limb? 



6. What difference do you notice in the direction in which the elbow 

 and knee bend? 



7. Clasp the arm above the elbow and bring the forearm up to the 

 shoulder. What change in size do you notice? 



8. How many tendons can you feel on the inside of the elbow joint 

 while bending it? 



9. How many tendons can you feel under the knee when it is bent? 



10. How many tendons just above the heel? 



11. Can the ribs move? 



12. Which has the greater freedom of movement, the wrist or the 

 ankle? Why? 



13. Name the kind of joint illustrated by the following: shoulder 

 knee, wrist, knuckles. 



