Up Next in 21 Day Fat Blaster

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  38:52

  Studio Squared

  Studio Squared

  This workout begins with a challenging ab series and progresses into alternating cardio, legs and abs.

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  54:21

  Quittin' Kathy

  Quittin' Kathy

  Check out this new format where you will do combination exercises in each section. You will have 40 seconds to go through a certain number of 2 exercises as many times as you can before given a 20 second hold or burnout. This format is sure to keep you moving and won’t leave you bored!

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  08:38

  Ab, Arm, Cardio Combo | 8 Minutes | S...

  Ab, Arm, Cardio Combo | 8 Minutes | S...

  This is a challenge HIIT series that you can repeat several times to get a full workout or combine with another 10 minute exercise!