By Frances McDonald Pushing your body when it comes to participating in physically demanding sports is a challenge that might intimidate a lesser individual. But athletes on a professional level are unafraid to tackle such situations since this helps them improve their skills on and off the field. And if you are not daunted by the rigors of working out on an intensive level, look to the points outlined below so you may begin training with a promising start. Drink up. Whether you are competing in a long distance marathon or engaging in a brutal...