Stand with knees slightly bent and squeeze a small medicine ball between them. Take a small jump, rotating your knees to the right. Then jump to the left. Do two sets of about 20 jumps (or until tired). When 20 gets too easy, sink lower with each twist to
The Cost of Getting Lean - info graphic that weighs the pros and cons of each level of fitness so that you can make a _reasonable_ decision about your goals. (hint: six-pack abs is not a reasonable goal for most people).