which of the following statements are true about interval training? select all that apply. select one or more: a. interval training is best for increasing muscular strength, not power. b. interval training can combine exercise and rest periods in an endless variety of ways. c. a common feature of interval training is stretching the muscle right before it completes a maximal contraction. d. cross training and interval training are the same. e. one benefit of interval training is that is allows for repeated high-intensity efforts.
