what does the principle of balance fat loss
essential for reaching your weight loss and fitness goals. least a day of rest between strength training workouts. muscles two days in a row to give your body the time it needs to rest and recover. The Principle of Use or Lose implies that when it comes to fitness, you use it or lose it.. This simply means that your muscles build strength (hypertrophy) with use and lose. strength (atrophy) with lack of use.