You do not need to choose between building strength and improving your cardiovascular fitness. Learn how to structure your weekly workouts, reduce unnecessary fatigue and decide whether to lift weights before or after cardio.

From Garmin to Apple Watch to Whoop is seems like every company is coming out with a wearable that promises more data, more insight, and increasingly large promises for what their product can do for your long-term health. But are these claims justified? In the case of VO₂max, it seems like they are overpromising and under-delivering.