Published: Jan 16, 2011 4:34 PM EST
Updated: Jan 16, 2011 1:19 PM EST

You eat right,  cut your calories, but  isexercise really  necessary to loss weight?
 Some say no!!!
  Our fitness expert Mike Drumm is here with more.


The workouts that work:
Interval workouts—short bursts of high-intensity exercises—along with
strength training are best for weight loss.

At the gym
•       Boot camps have a good mix of cardio and circuit training.
•       Spinning—with its climbs, sprints, and cooldown segments—is a
classic interval workout.

At home
•       The P90X DVD ($139.80) A revolutionary system of 12 life-changing
workouts. You get a comprehensive Nutrition Plan, a detailed Fitness
Guide, a P90X Calendar and tracking worksheets, and 24/7 online
support. No gyms or fancy sports equipment required.
•       The Jillian Michaels 30 Day Shred DVD ($14.98)
combines fast-paced kickboxing, strength training, and great ab work.
•       The Results Fitness: 10 Days to a Better Body DVD ($14.98)
alternates between intense cardio and sculpting moves.

Walk, run, or bike for 1 minute at a moderate pace, then for 1 minute
at a higher intensity (get breathless); alternate for 20 minutes.