Erin Oprea's Guide to Staying Fit on the GO

Work Your Legs Anywhere With This 4-Minute Circuit From Carrie Underwood's Trainer

Carrie Underwood's Workouts: Trainer Erin Oprea Spills Fitness

How to Create Your Own Muscle-Gain Workout Plan

SmileDirectClub: Erin Oprea and Kelsea Ballerini's smile-powered workout

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Erin Oprea (@erinoprea)'s videos with original sound - Erin Oprea

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A 7-Minute Abs Workout From Celebrity Trainer Erin Oprea, Personal Trainer to Carrie Underwood

Ready to burn that whole body in a quick series???? -15 rev lunge hold

The 4 x 4 Diet: 4 Key Foods, 4-Minute Workouts, Four Weeks to the Body You Want: Oprea, Erin, Underwood, Carrie: 9781101903087: : Books