If you're not particularly fit then rigorous strength training including ballistic and plyometric activities will get you out of breath, increase heart-rate, and give you a serious workout while being a lot more fun than running on the spot. (But as always, different strokes for different folks..)
If you're not particularly fit then rigorous strength training including ballistic and plyometric activities will get you out of breath, increase heart-rate, and give you a serious workout while being a lot more fun than running on the spot. (But as always, different strokes for different folks..)