You don't have to be an athlete to benefit from strength-training. Not only does it make it easier to handle life's daily chores, such as toting bags of groceries, but it's also a great way to protect yourself from injuries as you age.
Sometimes it's hard to follow advice to exercise more. But just making an effort to sit less, by itself, can be beneficial. Accumulating evidence suggests that reducing sitting time may be nearly as beneficial as increasing activity time.