Question

The principle of progression suggests that

1) As fitness levels increase, less work is required to make the same gains
2) Fitness levels will improve as physical demands are continually increased
3) An athlete's body should be exercised in a manner that targets specific muscles for the sport
4) All of the above

Answer 1

Answer: the answer that you are looking for in 4.

Step-by-step explanation:

All of the above

Answer 2

the answer is 4,

I once heard my pe teacher say that the answer is always all of above in health