Push-ups are brutal, but apparently not hard enough for Jillian Michaels [1], a woman so savage her nickname literally is her full name plus expletives (just look at her Instagram bio [2] if you don't believe us).
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The celeb trainer [5] and Biggest Loser veteran took to Instagram today with her unbelievable push-up challenge, which is part of her new app, My Fitness by Jillian Michaels [6]. Our bodies hurt just watching it. If you're a glutton for punishment, you might want to check out that app so Jillian can torture train you with moves like these.