We have lots of excuses for not working out and making our health and fitness a priority. For some, money is one of the biggest reasons. The cost of joining a gym, signing up for classes, hiring a trainer, or buying equipment and apparel can be burdensome, and even prohibitive. On the flip side, we realize that there are ample low cost and even free opportunities for pursuing fitness. The Internet abounds with free videos and workout blogs. Walking or running outdoors is alwa