Muscle requires a lot of energy to maintain, so when your calories drop your body starts shedding it to be more efficient <i>so long as you are also inactive</i>.<p>If you stay active you will lose <i>strength</i> on a calorie deficit but you will not lose muscle mass. That&#x27;s why you can do a cut, and your lifts will go down but you still look great at the lower body fat. The muscle mass is still there.<p><a href="http:&#x2F;&#x2F;fitnessblackbook.com&#x2F;main&#x2F;starvation-mode-why-you-probably-never-need-to-worry-about-it&#x2F;" rel="nofollow">http:&#x2F;&#x2F;fitnessblackbook.com&#x2F;main&#x2F;starvation-mode-why-you-pro...</a>