Aerobic exercise
Learning Center
Aerobic exercise: How to warm up and cool down
Learn how to warm up and cool down the safe way.
Exercise intensity: How to measure it
To get the most out of exercising, aim for moderate to vigorous exercise intensity. See how to judge your exercise intensity.
Walking: Make it count with activity trackers
If walking is your main form of physical activity, see how activity trackers can help you set and achieve your fitness goals.
10,000 steps a day: Too low? Too high?
Work up to a goal of walking 10,000 steps each day, depending on your starting fitness level, for numerous health benefits.
Aerobic exercise: Top 10 reasons to get physical
Need inspiration to work out? Consider the top 10 benefits of aerobic exercise.
Whole-body vibration: An effective workout?
Whole-body vibration — Don't give up regular exercise and a healthy diet.
Walking: Trim your waistline, improve your health
Walking can be an ideal low-impact exercise. Get the most from your walking routine.
Ankylosing spondylitis
Learn about this inflammatory disease that can cause some of the vertebrae in the spine to fuse over time.
Exercise: How much do I need every day?
Find out how much exercise you need and how to get it.
5K run: 7-week training schedule for beginners
Running a 5K? Make it to race day in seven weeks.