Avoid roller blading on interstates. However, if you must, then remember to stay in the right hand lane. Also it is a good idea to refrain from doing a 'pirouette' when changing lanes on a freeway. Same goes when running. This will help you avoid serious injury and not make you look too stupid.
Some exercise machine are a complete waste of money.
Our tests have shown that the elevatormaster does not work. It claims to increase finger strength by pushing an elevator button and standing for three minutes. We recommend the stairmaster over the elevatormaster. These little things will make exercise much more enjoyable. Be wary of body fat analysis scams.