It does not need to be a full out sprint, but it ought to be rapid. You can combine this with slower paces or lively stretching, better called c program languageperiod education. One last note for this point, FFM is maintained by using consistent pastime. So even Maxi Keto Diet while you get the body you need, in case you need to preserve it you have to continue to be active (3,4). Also as women and men age the fee of muscle cannibalization and fats storing will increase dramatically.