Exam (elaborations)
NSCA-CSCS EXAM CHAPTER 1/ EXAM REVIEW QUESTIONS AND ANSWERS. 100% ACCURATE/
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NSCA-CSCS EXAM CHAPTER 1/ EXAM REVIEW QUESTIONS AND ANSWERS. 100% ACCURATE/ To what structures do the cross-bridges attach during muscle action? - -Actin Which substance regulates muscle actions? - -Calcium Which substance acts at the neuromuscular junction to excite the muscle fibers of a mot...
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