Hold the Foundation Stance for 30 seconds with your eyes closed. Complete the challenge, post it, and unlock 25% off any FlexStre™ package — 48 hours only.
Most athletes look strong. The Foundation Stance challenge reveals whether you are structurally balanced — able to hold a stable, single-leg position for 30 seconds with your eyes closed and no compensating sway. It is a direct, equipment-free test of MSC Equilibrium: the property FlexStre™ measures in every session.
Complete the challenge, post it with #FlexStreReadyChallenge, and unlock 25% off any FlexStre™ package — valid for 48 hours.