Physical Activity

Physical Activity Articles

How fitness trackers can improve your health

Electronic fitness trackers can motivate people to stay with exercise and weight-loss programs. The companion apps store data and allow it to be shared with friends, family, and health care providers. (Locked) More »

Interval training: A faster route to a stronger heart?

Interval training refers to alternating short, intense bouts of exercise with longer periods of lighter, less vigorous activity. The technique appears to improve cardiovascular fitness as effectively as moderate-intensity exercise but takes less time. (Locked) More »

Start moving with a fitness tracker

Fitness trackers accurately record objective data about physical activity, including the pace, distance, intensity, and duration of exercise. Knowing that something is keeping track of every move can motivate people to stick with a workout. (Locked) More »

What your heart rate is telling you

A low resting heart rate and high maximum heart rate are associated with a reduced risk of heart attack and death. Regular exercise helps to lower resting heart rate and raise maximum heart rate. More »

Apps, texts, and sensors for boosting heart health: Do they help?

Mobile health technologies, including smartphone apps and text message reminders, show some promise for helping people make heart-healthy behavior changes. So far, limited data suggest benefits from apps that focus on weight loss and smoking cessation, and from online programs (including Web-based tutorials and networking opportunities) to boost physical activity. There is not enough research to show a benefit for wearable sensors that track physical activity. (Locked) More »

Are weight-loss drugs worth trying?

Four new weight-loss drugs expand options for treating obesity and may be safer than earlier versions. They should be used as part of an overall program that includes diet, exercise, and often counseling. More »

Injuries are up among older cyclists

The number of injuries and hospital admissions among older bicycle riders has made a startling jump. This may be because of an increase in older bike riders, more street accidents, and sport cycling. More »

Marching orders: How to start a walking program

A regular walking routine can lower blood pressure, stave off diabetes, and prevent heart disease. Finding walking buddies, using a pedometer, and following a walking workout plan may help people stick to a program. Walking is a good choice for people with heart disease because a walking program can be easily adapted to challenge those with different fitness levels. For people new to exercise, an eight-week program that gradually builds from 10 to 30 minutes of walking a day is a good place to start.  More »