Exercise programs that get the best results are made up of three
main elements: aerobic conditioning, flexibility exercises, and
strength training. In strength training, resistance is added to
movement in order to make muscles work harder and, over time,
become stronger. The most common strength training methods
include using weight machines, working with free weights, or
doing exercises that use your own body weight (push-ups, for
example). Strength training increases muscle tone, strength, and
endurance, as well as bone strength. Being stronger improves
your balance and coordination, reduces your risk for injury, and
also makes it easier to do daily activities like carrying
groceries and doing yard work. As we age, we naturally begin to
lose muscle mass, which slows down metabolism. Having more
muscle mass helps your body burn more calories when at rest.
Increasing your muscle mass with strength training is an
important element of a weight management program. Strength
training is typically done with free we