Calisthenics might bring back memories of 80s leg-warmers, but recently it has exploded on social media as a fitness phenomenon. The hashtag #calisthenics has racked up over 18.5 billion views on ...

We live in a busy world. Sometimes, going to the gym feels like an odyssey, the weather doesn't cooperate, or you just prefer the comfort of your home. And that's perfectly fine! The great thing is ...