MUSCLES 381 



REVIEW TOPICS 



1. Show that motion is essential to the process of life. 



2. Describe involuntary muscles and tell their use. 



3. Describe how voluntary muscles appear to the naked 



eye and under the microscope. 



4. Describe tendons; how they cross the joints; and 



their attachment to bones. 



5. Describe the contraction of a muscle. 



6. Describe the three kinds of levers ; show how bones 



and muscles form levers ; and give examples of each 

 kind. 



7. Describe the arrangement of muscles in opposing sets. 



8. Describe the action of muscles at the elbow ; at the 



wrist ; at the fingers ; at the hip ; at the knee ; at 

 the ankle ; at the toes ; in the back ; over the abdo- 

 men ; and upon the face. 



9. Show how standing is performed ; how walking ; and 



how running. 



10. Give the source and amount of muscular power. 



11. Show that great exertion impairs the precision of 



movements. 



12. Show that muscle training is really mind training. 



13. Show that physical exercise benefits the whole body; 



and that overwork fatigues the -brain. 



14. Show what kind of exercise is the best. 



15. Show how to regulate the amount of exercise. 



1 6. Give an estimate of the value of competitive sports in 



schools. 



