Today we're talking to Marcus Martinez, better known online as Kettlebell Exercises on Instagram. Marcus is a master kettlebell instructor on a mission to help people build better bodies with kettlebells, and that means tackling a lot of misconceptions people have about kettlebell training. In our conversation, we discuss what kettlebell training can and can't do for you, big (and sometimes controversial) differences in training methodology, and the most impressive strength feats Marcus has ever witnessed.