Your clients are researching VO2max, HRV, and Zone 2 training in their free time. Here is how real-time heart rate monitoring proves your gym is the right choice for them. The fitness landscape is shifting. Ten years ago, clients just wanted to sweat, lose weight, or build muscle. Today, they are more educated than ever. Drive past any local box or functional fitness gym, and you’ll see the evidence: run clubs are booming, and hybrid competitions like Hyrox and DEKA are selli