As a former U.S. Marine, Erin Oprea is dedicated to fitness. Now a Nashville-based personal trainer with clients like Carrie Underwood, she uses her expertise to help those with busy lives stay fit.

YOU KNOW THE SAYING: Work smarter, not harder. You may have already incorporated that mentality into your training routine, subbing unfocused, 60-minute workouts for strategic 30-minute sessions, or ...

Position yourself perpendicular to a cable machine with a handle. Get on your hands and knees, and place your elbows under your shoulders. Grab the handle in your right hand, and step back into a ...

YOU KNOW THE SAYING: Work smarter, not harder. You may have already incorporated that mentality into your training routine, subbing unfocused, 60-minute workouts for strategic 30-minute sessions, or ...

Rashmika Mandanna's solid and positive attitude towards her fitness routine has been a constant. Her workout game is an inspiration for many. Recently, the actress took her session to a new level as ...