Introduction: In epidemiological studies information on physical activity is often obtained by self-report questionnaires, assessing the type of activities performed, the absolute metabolic demand ...

Fitness progress is all about intensity. You'll only get faster if you practice running faster, and you'll only get stronger if you keep adding more weight. It's the basic rule of progressive overload ...

Since there is no one-size-fits-all approach to exercise, it helps to have a personalized rating system that allows you to keep track of your own workout. After all, a casual jog for one person might ...

Popular run, ride, and swim tracking app, Strava, is out today with two new features to help athletes better track their progress over time. Perceived Exertion and Fitness work together to offer ...

Compelling evidence indicates that in people with a history of heart disease, physical exertion and emotional stress can trigger heart attacks, some of them fatal. Compelling evidence indicates that ...

People with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) showed multiple maladaptive proteomic responses to exercise compared with matched sedentary controls, a new study found. ME/CFS ...

Correspondence to Paul D Thompson, MD, Director of Cardiology, Hartford Hospital, 80 Seymour Street, Hartford, CT 06102, USA; pthomps{at}harthosp.org Vigorous physical activity increases the risk of ...

Adam Taylor does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...