| iTread, Set 6, 20 minutes |
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| iTread, Set 7, 40 minutes |
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| iTread, Set 9, 60 minutes |
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| Jaclyn Smith's Workout for Beauty and Balance |
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| Jaime Rodríguez |
YouTube |
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| Jaime Tam |
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| Jakub Novotný |
YouTube |
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| Jamaica Me S'wet |
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| jamaican aerobic |
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| Jane Fonda |
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| Jane Fonda's Total Body Workout |
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| Jane Fonda's Workout: Ultra Bootcamp |
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| Janine Rabbitt |
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| Jason and Lauren Pak |
YouTube |
Yes |
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| Jay Johnson Bootcamp 9-Week System |
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| Jayna Kouzouyan |
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| Jazzercise |
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Yes |
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| Jazzercise |
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| Jazzercise: Burlesque |
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| Jazzercise: Core |
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| Jazzercise: Dance Hiit |
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| Jazzercise Dancin' Abs |
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| Jazzercise Funk Workout |
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| Jazzercise: Live |
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| Jazzthetics |
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| JB Berns |
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Yes |
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| Jean Goulet |
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| Jeff and Scott's Classic Cardio |
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| Jeff and Scott's Step Factory |
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| Jeff and Scott's Studio Jam |
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| Jenna |
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| Jenna Collins Fitness |
YouTube |
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| Jenna Zaffino |
YouTube |
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| Jennifer Dooley |
YouTube |
Yes |
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| Jennifer Galardi |
Get Healthy U TV, YouTube |
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| Jennifer Georghiou |
YouTube |
Yes |
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| Jenny Craig's Let's Walk It Off Workout Kit - Intermediate/Advanced |
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| Jenny Craig's Let's Walk It Off Workout Kit - Beginner/Intermediate |
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| Jenny Craig Walk Your Way (The Brisk Walk) |
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| Jenny Craig Walk Your Way The Strength Walk |
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