[solidcore] was founded in 2013 by serial fitness entrepreneur Anne Malhum and the brand, which offers a full body workout on a pilates-inspired reformer, is now heading towards 100 operational locations across the US. They’ve also partnered with Equinox to add their workouts to the Variis app, bringing the [solidcore] experience to homes worldwide. The core-focused “immersive experience” has been visited by celebrities such as Jennifer Aniston, Calvin Harris and Michelle Obama.