Ask any trainer and they’ll tell you — kettlebells are here to stay and they work. Here’s why: kettlebell exercises demand the use of multiple joints, which engages all the larger muscles of the body. This burns calories faster than isolation moves, which only work one muscle. Kettlebells are also effective because they target all aspects of fitness, including strength, endurance and power. So if you haven’t picked up a kettlebell yet, it’s time you do. This course will show you the 23 most effective kettlebell exercises.