During periods of significant physical adaptation, such as when an individual is first beginning to workout, protein needs are greatly increased. (womenshealthandfitness.com.au)
When you've decided that you want to drop body fat you'll want to start an exercise program that is challenging and promotes physical adaptation. (instantknockout.com)
The plans that I write are, in essence, the careful manipulation of certain types and levels of fatigue to produce a desired physical adaptation. (breakingmuscle.com)