Chapter 3: Check your understanding

10. True or False? The stronger the muscle, the better the protection for the joint which it crosses.

True

2. In a static stretch, the action of the _______ enables a safer, more effective stretch. A. Golgi tendon organs B. muscle spindles C. Ruffini's corpuscles D. Pacinian corpuscles

A. Golgi tendon organs

7. Each of the following is a physiological benefit of cardiovascular endurance except for A. Increase in the size (i.e., volume and weight) of the heart B. Improved circulatory efficiency C. Reduced blood pressure resulting in a more efficient cardiovascular system D. Decrease in total cholesterol

All of the above are correct

6. ____________________ refers to the ability to sustain prolonged exercise A. Anaerobic capacity B. Cardiovascular endurance C. Muscular endurance D. VO2 max

B. Cardiovascular endurance

8. Which of the following is a true statement? A. VO2 max is not a genetic trait. B. The average individual has VO2 max range of 50-60 ml/kg/min. C. Elite runners typically have a VO2 max range of 40-50 ml/kg/min. D. An individual can reach the higher level of their VO2 max range through participation in an appropriate anaerobic training program.

B. The average individual has VO2 max range of 50-60 ml/kg/min.

5. Which of the following statements is true? A. An exercise program can increase the number of muscles fibers. B. The strength of a skeletal muscle is determined by the cross sectional diameter of the muscle fibers. C. There are no gender difference with regard to the absolute strength of males and females D. Muscle atrophy is influenced by gender.

B. The strength of a skeletal muscle is determined by the cross sectional diameter of the muscle fibers.

4. Strength gains depend primarily on: A. the specific training method B. intensity of the overload C. duration of the exercise session D. frequency of the exercise session

B. intensity of the overload

3. Vigorous stretching of tissues should be avoided in each of the following conditions except A. After a recent fracture B. After prolonged immobilization C. With normal healthy tissues followed by a brief warm-up period D. With a bony block that limits motion

C. With normal healthy tissues followed by a brief warm-up period

1. The _________________ principle states that the body responds to a given demand with a specific and predictable adaptation. A. overload B. individuality C. specificity D. progression

C. specificity

11. True or False? A track athlete specializing in the marathon would be better served by a higher proportion of Type IIb fibers.

False

12. True or False? Instruction of physical activity/ sports skills that is NOT physiologically and developmentally appropriate can increase the potential for injury

True

9. True or False? In performing a flexibility exercise the appropriate intensity is reached when a feeling of slight tension or burn is felt.

True