The 28-Day Core Burner Video Workouts

Access your core burner guide, bonuses and videos!


Your Instructor


Cori Lefkowith
Cori Lefkowith
Hey There!
I’m Cori Lefkowith, Owner of Redefining Strength
I started Redefining Strength in 2014 with one mission…
That mission goes beyond goals. We’re here to provide you with a science-backed approach that not only supports your health and fitness journey but also empowers you through education.

Get started now!