It's possible — but the fitter you are, the harder it might be.
Measuring heart rate variability (HRV) used to involve a doctor’s visit. Now you can use smartphone applications to measure, track, and evaluate HRV on your own.
Sure — if it's done correctly. Here are some tips.
Wondering if you should hit the gym after a drink or two? Here's what the research says.
Do you know how to time your cardio versus strength workouts? Here’s what our expert recommends.
Our expert has tips to get you moving faster and more efficiently.