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1:12
Plank Workout - 30 day challenge
4:24
How to Get a Flat Stomach in a Month at Home - Abs Workout Planking
6:30
4 MIN Plank Challenge to GET 6 Pack Abs (4 WEEKS RESULTS)
4:50
How to Plank Properly for Beginners - Step By Step Tutorial
5:28
30 Day plank challenge | Day 3
5:29
➜ Do These 5 Exercises in Bed & Get a Flat Belly in Just 30 Days
5:52
30 Day plank challenge | Day 30
29:06
30-Day Core & Cardio Challenge to Burn Belly Fat | Joanna Soh
