Unless you’ve lived under a rock for the past few years, you must have noticed the tremendous global growth of the health and fitness industry. Chances are, if you have been an avid gym-goer, you’ve also noticed an increasing number of people taking up new activities and joining a variety of fitness classes, from the funky ones such as Zumba, all the way to the hardcore likes of CrossFit. In fact, in addition to tech and digital companies taking the fitness world by storm, gyms everywhere have become the go-to…