It’s important to be physically fit if you want to lead a healthy lifestyle. There will be times when you get conflicting advice on the best way to get fit and stay that way, but don’t be discouraged. It may seem as if you might as well give up; however, you should resist the temptation. By following the tips in this article, you can enjoy a healthier lifestyle. You can continue to improve or maintain your level of fitness when a limb is injured by continuing to exercise the uninjured arm or leg. Doing this will help to maintain your strength, and it will also stimulate some muscles and nerves in your injured limb so that you do not have a lot of muscle loss. The muscles in your lower back will thank you if you learn how to do sit-ups properly. Implement a swiss ball and a rolled up towel under your back to gain the same effect. You can put too much strain on your back if you anchor your feet while doing sit-ups.