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Minimal essential strain is the minimal threshold stimulus needed to cause which of the following changes? a. tendon formation b. muscular development c. bone formation d. hormone production {Ans: *c. bone formation}Which of the following is a potential marker of aerobic overtraining? a. decreased submaximal exercise heart rate b. decreased total testosterone concentration c. increased heart rate variability d. increased body fat percentage {Ans: *b. decreased total testosterone concentration}The mean arterial pressure is defined as the {Ans: average blood pressure throughout the cardiac cycle.}A 17-year-old high school cross-country runner has been training aerobically for six months in preparation for the upcoming season. Which of the following adaptations will occur in the muscles during that time? {Ans: d. hypertrophy of Type I fibers}As an adaptation to anaerobic training, which of the following is the benefit of the myotatic reflex harnessing the involuntary elastic properties of muscle? a. decreased reflex magnitude b. decreased reflex potentiation c. increased force production d. increased energy expenditure {Ans: *c. increased force production}When one is performing a box-to-box ploy drop jump, in order to generate sufficient force in a limited amount of time (<200ms), which muscle fibers are bypassed through the principle