Gabby Windey is not feeling too rosy. The 'Bachelorette' alum shared she broke her back while using a vibration plate, a motorized workout device that rapidly moves back to forth to promote muscle activation, circulation and balance. "Most mornings, I vibrate. On a plate. The cheeks of my ass convulse side to side, like a seizure," Windey wrote in a Substack essay titled "Broke back, no mountain" on Oct. 2. "The vibration plate is designed to rid stagnant lymph fluid, by shaking up the turgid and sallow with probable microplastics, from my rotting carcass." However, it all went awry one day when she set the machine to "level 30, supersonic speed." The 35-year-old 'Traitors' winner recalled, "Seemingly, subtly, somewhere on the way to 30, maybe 10 or 20, my vertebrae turn crooked and rub against each other. A small piece breaks off from friction. It catches air. Then it lands softly, too softly, so softly the landing’s in question." Windey—who has been married to 'Hacks' star Robby Hoff...