4-Minute Plank Tabata Challenge (Day 5): Full Body - YouTube
Jillian Michaels - I'm starting this Monday! Should we do together via Facebook live? Like if your down! #jillianmichaelsapp http://go.jillianmichaels.com/app | Facebook
30 Day Plank Challenge » A Healthy Life For Me
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Julie on Twitter: "Plank with PERFORM! Take the 30 Day 5 min Plank Challenge and build up to a 5 minute plank! Who's in?! Show us your progress #ProfilePerform https://t.co/unqzOjRVxR" / Twitter
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