India, June 3 -- Working out can be an uphill battle. But what if you had one workout which you could include in your daily exercise regimen to achieve a toned body? On May 30, celebrity trainer Cat, who goes by Pilates by Cat on Instagram, shared a video revealing the one exercise she asks all the runway models she trains to do every day.

Sharing the post, the Pilates instructor wrote, "I've trained runway models for years.This is the ONE exercise I tell them to do every day." The workout is called the opposite arm + leg bridge workout. It helps strengthen your core, tone your waist, lift your glutes, tone your arms, and improve your posture.

"After 20 years teaching Pilates, this is still the ONE exercise I give my runway models to do...