Jillian Michaels Killer Cardio (Two 25-minute workouts)

The name says it all. Jillian Michaels Killer Cardio includes two 25-minute workouts that progress in difficulty while building endurance and cardiovascular conditioning, designed to push you through each move for 20-seconds and full force with 10-second recovery breaks in between. Modify your moves with the help of Jillian Michaels.

• Two incredible 25-minute workouts that progress in difficulty to blast calories while building endurance and cardiovascular conditioning
• The workouts are formatted to push you through each move for 20 seconds at full force and then take a 10-second recovery break
• Level 1 is slightly easier than Level 2, but Jillian provides tips and tricks along the way to modify