3 years ago

Explain why exercise programs must increase in difficulty and duration over time to remain effective

2 answers:

8 0

Its because your body gets used to your exercise over time and it becomes less and less effective, and you body begins to think its easy. That is why it is important to challenge yourself and go above your limits.

vesna_86 [32]3 years ago

5 0

Your body becomes used to the intensity and will therefore render the program useless.

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