The Kardashians’ Trainer Shared a 45-Minute Workout That Will Humble You
Image Source: Courtesy of F45 Training / Nick Isabella Photography Functional fitness franchise F45 Training has been hooking exercisers on their team-based, high-intensity format since 2013. As a special treat, they’re bringing in celebrity trainer and F45 Chief of Athletics Gunnar Peterson, CSCS — who works with the Kardashians, Rebel Wilson, Sofia Vergara, and Tom […]