you’re still expected to move your body – this is a fitness challenge after all – but the rules are much easier to follow. One 45 minute workout a day is the goal, but this can be any form ...

“This is not a trendy fitness challenge,” shouts Frisella ... Commit to two 45-minute workouts a day. One session must be ...

If you haven't seen the hashtag #75Hard on social media, the viral challenge is a set of fundamental rules people must follow ...