Fitness trends are ever changing and constantly evolving every day. It's almost impossible to pass a week without hearing about any new fitness trend. Whether it is about a workout app or a new exercise regime it's always going to be a discussion. But the trouble in all this is- not every fitness trend will suit you and luckily that means you don't have to fall prey to each of them. Though exceptions are super welcome here are 5 foolproof trends that can never fail to amuse us: Yoga: An age old fitness regime this one is here to stay.