Your smartwatch can already do full-body motion tracking. Researchers just unlocked it at zero cost on Wear OS.

Getting real-time feedback on your workout form usually involves a clunky setup. You either hire an in-person fitness expert or subscribe to one of those services where a trainer watches you remotely through a camera and guides you on your posture and the entire routine. Modern smartwatches can track your exercise stats, but they can’t […]