Kettlebells
Kettlebells forge physiques like antique statues: broad shoulders with just a hint of pecs, back muscles standing out in bold relief, rugged forearms, an armored midsection, and explosive legs.
The shape and compact size of a Kettlebell allow one to safely accelerate it on the way down in exercises like swings and snatches. There is a growing body of research that such “virtual force” is exceptionally effective, efficient, and safe at improving many components of fitness: dynamic strength, many types of endurance, muscle building and fat loss