Whether you’re 19 or 99, you can live your best, most active life. How that looks and feels will vary from decade to decade — even year to year — as your lifestyle and unique biology play out. But experts agree that, at any time, you have the ability to meet yourself where you are and maximize your fitness potential.
This isn’t to say that age has no bearing on fitness; all the changes your body undergoes during each phase of life require altering your approach to exercise. For the most part, this can be mapped out by the decades.