How To: Do a double medicine ball eggbeater drill for the legs

So you want to get your legs in shape quickly? The drill demonstrated in this how-to video is not only fun, but just a bit challenging and a great way to work your legs without injuring your knees. Supporting extra weight trains your feet to become a productive part of your swimming. Watch this video swimming tutorial and learn how to practice a double medicine ball eggbeater drill to improve leg strength.