NSCA CSCS EXAM REVIEW QUESTIONS
AND ANSWERS
Which of the following substances regulates muscle actions?
potassium
calcium
troponin
tropomyosin - ANSWER-calcium
Which of the following substances acts at the NMJ to excite the muscle fibers of a motor unit?
acetylcholine
ATP
creatine phospha...
To compare performances of Olympic weightlifters of different body weights, the classic formula divides
the load lifted by the athlete's
body weight
body weight squared
lean body weight
body weight to the two-thirds power - ANSWER✔✔-body weight to the two-thirds power
During a free weight exercise, muscle force varies with which of the following?
1. perpendicular distance from the weight to the body joint
2. joint angle
3. movement acceleration
4. movement velocity squared
a. 1 and 2 only
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