Visual Workout: Five-Minute Plank to Abs of Steel | HuffPost Life
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The 5 Minute Plank Training Program
5 mins plank workout to build abs. - Eighty8 Fitness SG | Facebook
Dr. Subhasree Ray on Twitter: "5-minute plank. In addition to the core, this exercise helps in strengthening the muscles in your back, chest, arms, thighs, and shoulders. Implement in phases. https://t.co/qURugpGAvT" /
30 days to a 5-minute plank | 5 minute plank, Plank challenge, Plank workout
5 Minute Plank Ab Workout (advanced with no equipment) - V Shred