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Your fitness goal The first step to designing a resistance training program is establishing your fitness goal. The type and number of exercises, as well as the number of sets and repetitions will differ based on your fitness goal.
Here's something you'll love to learn: Your shoulders and upper back tend to carry less fat than the rest of your body, so the right exercises can give this area a nearly instant makeover, says Ramona Braganza, a celebrity trainer who has worked with stars such as Anne Hathaway and Jessica Alba. Braganza's workout, below, hits every major upper-body muscle and will help stabilize your shoulder joints, improve your posture, and build that strong, toned look you're after.
One-legged squats don't seem very tricky—after all, you did manage to pick up that cotton ball you dropped without putting your newly pedicured foot on the floor—but squatting on one leg seriously challenges your balance.
Everyone wants flatter abs, and a lot of people try to “spot reduce” by doing ab exercises to try to get them. The problem is, you aren’t going to lose fat from your midsection by doing 1,000 crunches.
"The goal this week is to increase cardiovascular endurance, but really we've been working on this all along," says Sara Haley, of Sara Haley Fitness and the creator of our 90-day workout plan . "By working in intervals we can really push our limits and get the best results possible. Think about it — if you knew you only had to do something for only 30 seconds or 60 seconds couldn't you give it all you've got?
Nutrition Danielle LaFata March 26, 2010 Lilli Day / Getty Images