Fitness training is a science, and like all branches of science, it relies on method.
Fitness-training expert Stacie Sanders gives her best tips for working out to stay healthy and fit. Train daily, but incorporate rest periods for individual muscle groups . For consistency and greatest effectiveness, it's best to undertake some form of exercise every day, but don't expect to work every part of the body every day. Alternate between muscle groups so each has a chance to rest and build up before being stressed again. Train in consistent intervals .