Check out this round-up of the best in cardio, yoga, boot camp and more
Jillian Michaels: Shred-It With Weights
If you've always wanted a sweat session with the Biggest Loser's tough-love trainer, then use this kettlebell (or single hand weight) workout. The two 30-minute workouts burn calories and build muscle.
To buy: $14.98, amazon.com