Kettlebell training has had a steep rise in popularity over the last twenty to thirty years. Like most things good about strength and conditioning, kettlebells originated in Russia. Exactly when they originated is somewhat unclear, but it is thought they started appearing around 350 years ago as a weighted counterweight for weighing food. Naturally, over the years, people started throwing them around and using them for strength training. Over time kettlebell training progressed to the point to where in 1948, it became the national sport of the Soviet Union.  From there, kettlebell training has exploded, and you can find them...