Mad Dogg Athletics Trademarked the term “Spin” (coupled with “Spinning” and “Spinner”) inside the early nineteen nineties; the corporation is protective of its usage. We utilize the generic expression “indoor cycling” routinely all through this guide, even though numerous people who find themselves into this kind of exercise use “Spin” https://advertisesmart.com/view/post/Mistakes-One-Should-Avoid-When-Doing-Russian-Twists/141