Final answer:
C: Do the same exercises every workout. The answer is C: Do the same exercises every workout. It is not one of the Nine Cross-Training Principles.
Step-by-step explanation:
The answer is C: Do the same exercises every workout. This is not one of the Nine Cross-Training Principles.
The Nine Cross-Training Principles are guidelines that people follow in order to achieve maximum fitness gains. They include principles such as increasing intensity and frequency, altering the target, and emphasizing good technique.
Throwing objects far, training intensely and taking minimal rest between sets, and always emphasizing good technique are all examples of the Nine Cross-Training Principles. However, doing the same exercises every workout is not a principle as it does not promote variety and diversity in training.