TRY: Mountain Climber
Start in plank position (hands and toes on floor, back straight, abs engaged). Bring right knee to chest and tap toe on floor; straighten leg. Repeat with left knee. Do for 3 minutes.
Burn off: 70 calories, or 13 pieces of candy corn.
TRY: Power Jump
Stand with feet 6 inches apart. Squat, then push up, leaping forward and as high as you can. Repeat, jumping to the left, back and to the right. Do 25 rounds.
Burn off: 80 calories, or two Snickers Minis.
TRY: High March
Extend arms while holding a candy-filled pumpkin. March in place, bringing knees up as high as you can for 2 minutes (without spilling candy!). Rest 1 minute. Do 3 sets.
Burn off: 40 calories, or one mini Reese's Peanut Butter Cup.
Source: Amie Hoff, a trainer at New York Sports Clubs in New York City