With kettlebells on: Hand-weight workouts can be tailored to skill level, age

... Using the round, handled weights, people can burn 20 calories per minute while working out more muscles than weight training and elevating their heart rates. "It's a full body workout all in that basic swing," Mackie said. Before kettlebell ...

http://www.heraldnet.com/article/20130709/LIVING/707099954