Women worry about shapely breasts and thighs.
And you don't need any special gadgets to tone and shape the butt muscles, according to a recent survey of more than 36,000 ACE-certified fitness professionals. Lunges came in a close second. Otherwise, you will just firm the muscles under the fat. Stair climbing is also a good workout for strengthening and fat burning. Something none of us can control, genetics, is the number one factor in body shape.