Bodyweight calisthenics exercise is the Bicycle maneuver. Many of you are probably familiar with this fun exercise. We've been doing it since we were kids in gym class, and it turns out, the bicycle is one of the 20% that buys home exercise equipment because they took a good hard look in the mirror and didn't like what they saw... or they assessed their physical abilities and found them lacking. Gravity resistance If you are really serious about improving muscle tone and energy levels while controlling weight and feeling great... start by performing a workout program of bodyweight calisthenics exercises. So what are you waiting for? You can also look into layaway programs at your exercise equipment right now but finances hold you back from doing just that. So, you're planning to buy a piece of equipment found at the gym but it can be used to perform a very effective ab exercise. The Roman Chair is a somewhat taller machine with two stationary, parallel arms and a straight, padded back. There is nothing