Reference no: EM134034070
Questions
1. Which type of muscle blends into tendinous insertions that attach to bones?
A. Cardiac
B. Smooth
C. Skeletal
D. Type IIa
2. A motor unit consists of a single neuron and all the muscle fibers innervated by it.
A. True
B. False
3. Which theory states that myofibril contracts by the actin and myosin filaments sliding over each other?
A. Size principle of motor unit recruitment
B. Sliding filament theory
C. All-or-none theory
D. None of the above
4. Type IIa muscle fibers (fast-twitch or white fiber) are highly resistant to fatigue and injury, but their force output is extremely low.
A. True
B. False
5. Which type of muscle fibers are extremely strong but has nearly no resistance to fatigue or injury?
A. Type I
B. Type IIa
C. Type IIx
D. Type IIax
6. _____________ are extensions of muscle fibers that attach bone muscle to bone.
A. Tendons
B. Ligaments
C. Cartilage
D. Golgi tendon organs
7. The peripheral nervous system (PNS)
A. Relays messages from the CNS to the body
B. Relays messages to the CNS
C. None of the above
D. Both a & b
8. Satellite cells serve to repair damaged muscle tissue, inducing muscle growth after overload from weight training.
A. True
B. False
9. Isometrics can help the body gain minimal amounts of muscle and limit strength within a _________________-degree range of motion of where the isometric contraction is taking place.
A. 10
B. 15
C. 20
D. 25
10. ______________________ is the movement of a body segment toward the midline.
A. Adduction
B. Abduction
C. Flexion
D. Extension
11. Supination is the rotation of the forearm to the palms-down position.
A. True
B. False
12. Which plane of motion does a forward lunge take place in?
A. Transverse
B. Frontal
D. Sagittal
D. All of the above
13. Which plane of motion does a lateral lunge take place in?
A. Transverse
B. Frontal
C. Sagittal
D. All of the above
14. A(n) _______________ is the muscle that produces the most force to move a bone:
A. Prime mover
B. Antagonist
C. True synergist
D. Helping synergist
15. Which type of lever is the biceps curl an example of ?
A. First-class lever
B. Second-class lever
C. Third-class lever
D. Fourth-class lever
16. How a force affects a body is determined by
A. The size or magnitude of the force
B. The direction in which the force is applied
C. The exact point at which the force is applied
D. All of the above
17. To get big and strong, you need to keep big ______________ movements at the core of your program.
A. Single-joint
B. Lower body
C. Upper body
D. Compound
18. Which of the following is a type of limit strength?
A. Eccentric strength
B. Static strength
C. Both a & b
D. None of the above
19. Full squats provide greater glute activation than partial squats do.
A. True
B. False
20. Chin-ups are performed with a pronated grip.
A. True
B. False
21. Your grip for the bench press should be:
A. Slightly less than shoulder width apart
B. Slightly wider than shoulder width apart
C. Exactly shoulder width apart
D. With the sides of hands touching
22. The most effective angle for the decline bench press is
A. 5-10 degrees
B. 10-15 degrees
C. 20-25 degrees
D. 30-35 degrees
23. The elbows must remain in full extension throughout the entirety of the deadlift movement.
A. True
B. False
24. To increase serum testosterone levels, you should
A. Use a resistance that is greater than 85% 1 RM
B. Use a low volume
C. Use rest intervals longer than 5 minutes in between sets
D. All of the above