DECLARE YOUR INDEPENDENCE FROM STALE HEALTH CLUBS. Once you're equipped with the following eight essentialsall integral pieces of the five Shape of Your Life installmentsyou'll have everything you need to take care of endurance, strength, flexibility, power, and balance in the privacy of your own home gym. If you can't find some of these gadgets at your local sporting-goods store, go online to Perform Better (www.performbetter.com) or Power Systems (www.power-systems.com).