Just in time for sugary-sweet holiday parties and gift swaps, health and fitness guru Erin Oprea’s revolutionary book, The 4x4 Diet, is on shelves again, this time in paperback. Based on Oprea’s meticulously curated combination of four-minute tabata workouts and reducing the four major hitches in most diets, The 4x4 Diet works to change readers' bodies from the inside out, getting them lean and clean in just four weeks. 

Oprea has changed the way readers view fitness with The 4x4 Diet, including celebrity client and Country music star Jennifer Nettles. Nettles shares that “Erin’s approach, like most successful ideas, is simple and realistic. The more you apply her principles of food and exercise, the more success you will have.”

Oprea keeps the full picture of health at the forefront of her practice while helping thousands achieve their health and wellness goals. Through tools like The 4x4 Diet and her free meal planning app Menud, which provides weekly meal planning ideas alongside recipes, wellness tips and more, Oprea is able to continue her mission to help all people at all levels of fitness live their healthiest lives. Her twice-weekly live virtual training classes are an easy way to get hands-on personal training in the comfort of your home, with Oprea live on feed watching and correcting form, leading and participating in the workouts and encouraging participants. To sign up and learn more about virtual training, click here.

In early November, Oprea led the CMA Brunch & Burn Workout with Maren Morris and Ryan Hurdbenefitting the CMA Foundation to kick off CMA Awards week. Oprea has trained some of the fittest names in music, including Kelsea Ballerini, Kacey Musgraves, Carrie Underwood Maren Morris, Ryan Hurd, RaeLynn, Carly Pearce, Lee Ann Womack, Lauren Alaina, Denise and Alan Jackson, Jana Kramer, Amy Brown and more.

For more information on Erin Oprea, including purchasing The 4x4 Diet, visit opreapersonalfitness.comand follow on FacebookTwitter, and Instagram

Celebrity trainer, author and former U.S. Marine Erin Oprea serves as the personal trainer to some of the fittest names in music, including Carrie Underwood, Kelsea Ballerini, Kacey Musgraves, Lindsay Ell, and many more. A nine-year veteran of the U.S. Marine Corps, Oprea made history when she was appointed to lead the first female platoon attached to the infantry in a war zone. The fitness expert serves on People’s Health Squad and her calorie-torching workouts have been featured on Good Morning America and E!, as well as in Women’s HealthSelfVogueGlamour and more. Her revolutionary fitness and nutrition guide, The 4x4 Diet, is available now.