All About Exercise Machines: How to find an exercise machine that suits you, and make the most out of any machine workout. Table of contents: 10-Foot Trampoline: The Best Size for Your Family. 5 Ways To Get The Best Use Out Of Your Home Treadmill. A Smooth Treadmill For Me! A Treadmill Reader Rack - What Is It And What Does It Do? Basic Trampoline Tricks.