Jillian Michaels, is no stranger to fitness trends. She has decades of experience helping everyday people reach their goals, so when it comes to working out, Michaels is totally clued in. Not only does she know exactly what works, but she also knows exactly what doesn't work — and exactly what's wasting your time. While any form of exercise is obviously better than no exercise at all, we chatted with Michaels to find out about all the fitness trends that we should be ditching immediately.
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