The Very Best 21-Day Fitness Challenge We've Seen So Far

The Very Best 21-Day Fitness Challenge We've Seen So Far REDBOOK's Strong Sexy You Challenge is deceptively simple, but gets serious results.

Original article and pictures take http://www.redbookmag.com/body/health-fitness/news/a19714/the-21-day-progressive-challenge-that-will-get-you-in-the-best-shape-of-your-life/?visibilityoverride&src=spr_FBPAGE&spr_id=1441_126306505 site