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How Muscles Work
The other fibers that help keep you well.
How Muscles Increase In Strength And Size
How to get stronger faster.
Men: Stay Fit As You Age
As you grow older and adapt to life changes, your physical fitness routine should change.
Injuries, Accidents And Annoyances
Don't let the fear of injury keep you from an active, healthy life. Warm up and be careful. And for the times when luck isn't on your side, here's what you need to know.

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Focus on Fitness

Focus On Fitness

The Aerobic Side of Fitness
For most of us, our fitness goals are modest. We want the physical capabilities, including strength and endurance, to engage in recreational sports or just to make it easier to perform daily activities. A well-balanced fitness program combines aerobic exercise three to five times per week and strength training two to three times per week.

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Ask The Expert
Q: .Body Mass Index (BMI) doesn't consider muscle mass. What is another way to determine my ideal weight?
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