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5 - Minute Workout: Different Planks to get 6-Pack Abs
5 Minute Plank Series | CoachUp Weekly Workouts
5-MINUTE CORE: Plank workout for beginners!
Strengthen Your Core - Just 6 Minutes A Day!
7 MIN PLANK CHALLENGE (No Equipment)
5 Minute Planks Workout Challenge - for strong + toned abs
5 MINUTE LAZY ABS | EASY AT HOME AB WORKOUT | DO THIS WHEN YOU DON'T WANT TO MOVE | fitnessa ◡̈
5 Minute Daily Plank Workout: Plank Challenge