Aerobic exercise
Learning Center
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Read about this condition that causes vaginal and urinary symptoms, often after menopause. It's also called genitourinary syndrome of menopause.
Keloid scar
Learn about how to prevent, remove or flatten these problematic raised scars that form over scars from acne, tattoos, piercing and other injuries.
Slide show: Pregnancy stretches
Know how to relieve aches and pains as your pregnancy progresses.
Slide show: Labor positions
Consider positions that might help you relax and ease pain during labor.
Exercise: How much do I need every day?
Find out how much exercise you need and how to get it.
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.
Buying athletic shoes? Check your arch
Athletic shoes should be tailored to your arch type (high arch, neutral arch, low arch). Your arches play an important role in how you adapt to various surfaces as you walk. But there is no one "best shoe" for a particular foot type, and comfort and proper fit should be the main criteria you use.
Walking with ankle weights? Stop!
A well-rounded fitness program includes both aerobic exercise and strength training. But skip the ankle weights. Ankle weights may strain your ankle joint and leg muscles, which could increase your risk of injury. To get more out of your walking routine, simply pick up the pace. If you're in good shape, add short bursts of jogging into your regular brisk walks. If you're less fit, alternate leisurely walking with periods of faster walking.
How much exercise do you need?
For most healthy adults, the Department of Health and Human Services recommends at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity a week, or a combination of moderate and vigorous activity. Moderate aerobic exercise includes activities such as brisk walking or swimming. Vigorous aerobic exercise includes activities such as running or aerobic dancing. The guidelines suggest that you spread out this exercise during the course of a week. The guidelines also recommend that you do strength training exercises for all major muscle groups at least twice a week.
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