In the pursuit of aerodynamic efficiency, most triathletes aim to minimize stack height, or the vertical distance from the center of the bottom bracket to the top of the head tube – that is, lowering ...

DEAR DR. ROACH: I am a 64-year-old male who is a lifelong endurance athlete. For the past 15 years, my primary activities are cycling and swimming. I work out around 10 hours a week now, so it’s ...

Endurance athletes often have low resting heart rates as a result of intense training, but a new study published in Circulation suggests that a predisposition to prominent bradycardia may be encoded ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker. It’s well-known science that our hearts beat faster when we exercise and ...

DEAR DR. ROACH: I wear a smart watch, and a few times now, it has alerted me that my heart rate is below 45 bpm. This has only occurred when I’m in my recliner, relaxing and starting to nod off. I am ...

Your resting heart rate can tell you about your fitness and stress.