| Intensity: Pyramid Upper Body |
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| Interval Express |
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| iStretch, Set8 Athletic, 10Min |
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| jamaican aerobic |
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| Jane Fonda's Sports Aid |
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| Jason and Lauren Pak |
YouTube |
Yes |
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| Jennifer Jacobs |
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| Jenny Bertrand |
Essentrics TV |
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| Jessica Smith |
YouTube |
Yes |
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| JNL Fusion: Fusion Stretch |
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| Joanna MacAlister |
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Yes |
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| Julia Bentz |
Essentrics TV |
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| Just B Live! Pilates Express |
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| Just Right: Flex Posture |
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| Karen Voight |
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| Kat Gates-Buettner |
YouTube |
Yes |
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| Katami 4x4 System |
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| Katy Bath |
YouTube |
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| Kettlebell Kickboxing Scorcher Series 2.0 |
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| Lake Austin Resort Stretch & Relax |
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| Lastics: A Stretch Workout Like No Other |
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| Lauren Finkelstein |
Essentrics TV |
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| Lex Albrecht |
Essentrics TV |
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| Long & Lean Prenatal Workout |
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| Longevity: Defined Lines |
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| Lord of the Abs: Core Challenge |
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| Lord of the Abs: Maximum Abs |
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| Lose The Belly Flab |
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| Love To Stretch |
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| Love Your Lower Body: 10 Minutes to Flat Abs |
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| Love Your Lower Body: Inches Off Belly, Butt, Hips, and Thighs |
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| Love Your Lower Body: Total-Body Blast |
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| Low Impact Step plus Total Body Sculpting DVD |
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| MacKenzie Miller |
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| Madeleine Lewis |
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| Mady Morrison |
YouTube |
Yes |
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| Marina Aagaard |
YouTube |
Yes |
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| Marlène Hasbani |
Essentrics TV |
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| Mary Helen Bowers |
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| Mat-Flex |
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