Chapter 34

Question 1

1. As a rule, rest at least _____ hours between plyometric workouts and do no more than _____ jumps per week.
2. 24; 80
3. 36; 100
4. 48; 120
5. none of the above

Answer 1

c

Question 2

2. This participant in doing a squat jump _____ stabilization. (See the PP file to view the motion.)
3. with
4. without

Answer 2

b

Question 3

3. This participant, middle photo, is jumping in the _____ plane.
4. the sagittal
5. the frontal
6. the transverse

Answer 3

b

Question 4

4. This participant displays good form but is moving her arms too fast with too much momentum. (See the PP file to view the motion.)
5. true
6. false

Answer 4

b

Question 5

5. Which statements are true?
   a. single-leg jumps help to uncover and identify unilateral weakness
   b. unilateral jumps can activate the muscle better than bilateral jumps, all else being equal

Answer 5

both are true

Question 6

6. This participant has earned the right to do this advanced exercise. (See the PP file to view the motion.)
7. yes
8. no

Answer 6

a

Question 7

7. This participant has earned the right to do this advanced exercise. (See the PP file to view the motion.)
8. yes
9. no

Answer 7

b

Question 8

8. This most common movement fault during the tuck jump is _____.
9. lumbar flexion due to tight glutes and hamstrings
10. lumbar extension due to tight rectus femoris muscles

Answer 8

a

Question 9

9. This most common movement fault during the butt kick is _____.
10. lumbar flexion due to tight glutes and hamstrings
11. lumbar extension due to tight rectus femoris muscles

Answer 9

b

Question 10

10. This participant has earned the right to do this advanced exercise. (See the PP file to view the motion.)
11. yes
12. no

Answer 10

a

Question 11

11. This participant has earned the right to do this advanced exercise. (See the PP file to view the motion.)
12. yes
13. no

Answer 11

b

Question 12

12. This participant is demonstrating a _____ for the butt kick exercise. (See the PP file to view the motion.)
13. regression
14. progression

Answer 12

a

Question 13

13. This participant is demonstrating a _____ for the step-up jump exercise. (See the PP file to view the motion.)
14. regression
15. progression

Answer 13

a

Question 14

14. This participant is demonstrating a _____ exercise example. (See the PP file to view the motion.)
15. unilateral (alternating legs)
16. bilateral

Answer 14

a

Question 15

15. This participant has earned the right to do this advanced exercise. (See the PP file to view the motion.)
16. yes
17. no

Answer 15

b

Question 16

16. This participant has earned the right to do this advanced exercise. (See the PP file to view the motion.)
17. yes
18. no

Answer 16

a

Question 17

17. Which statements are true?
    a. during jump training, ground reaction forces (GRFs) are usually highest during the push-off phase
    b. during jump training, ground reaction forces (GRFs) are usually highest during the landing phase

Answer 17

b

Question 18

18. Which statements are true?
    a. in SAQ training, triple flexion involves the wrist, elbow, and shoulder
    b. in SAQ training, triple extension involves the ankle, knee, and hip

Answer 18

b

Question 19

19. Which statements are true?
    a. there is no wrong way to do a ladder or cone drill if you move your feet quickly and maintain proper exercise form and postural alignment
    b. quick feet are happy feet

Answer 19

both are true

Question 20

20. This participant is doing the _____ drill. (See the PP file to view the motion.)
21. box
22. Ali shuffle
23. 5-10-5
24. T

Answer 20

c