Modified Weighted Hundred

The Modified Weighted Hundred exercise tones your abs, shoulders and lower back. Do 20 reps and build up to 40 reps, depending on your fitness level.

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Boxer's Curl

The Boxer's Curl exercise works your shoulders, chest and abs.

to thirty -- total. And in between trying to to -- your shoulder blades hit the floor.

Reverse Flye

The Reverse Flye exercise from the Drop a Jeans Size 2009 workout tones your upper back and abs. Do 2 sets of 12 reps.

about -- wider apart. Imagine trying to make your shoulder blades hit behind act at the top of the list.

Slimmer in 7 Days

Do these endurance-building and muscle-toning exercises twice in the order shown, three times a week to get a firmer body in 7 days.

And tighten your abs so that you don't hunch through your reps. Iron Mountain Climber: Holding onto the handles of the dumbbells as shown is easier on your wrists than the palms-on- the- floor version of