Greg Magnus

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Tag: fitness

Why are fitness professionals so obsessed with target heart rates?

You’ll often read that your target heart rate goal should be from 60 to 80 percent of your maximum heart rate when you exercise. And, to obtain the health benefits gained from cariovascular exercise your workout plan should include a goal of three to five workouts per week – 20 to 60 minutes (excluding warm-ups).

Although athletes often exceed the 60-80 percent target to build endurance, the average person gains little additional value when their heart rate exceeds this range. Exceeding the target range puts undue stress on your body and increases your potential for injury. The heart is simply working too fast and your body has a difficult time replenishing oxygen. On the flip side, exercise below the 60 percent target has fewer benefits for those exercising on a regular basis. Continue reading

Millions of Adults, Teens Fail Fitness Test

Millions of Adults, Teens Fail Fitness Test – Washington Post

Rob Stein of the Washington Post today (Wednesday, December 21, 2005) reported a large proportion of Americans are out of shape, with teenagers in particular being the ones likely to be unfit. This report is somewhat surprising given most teenages tend to be more active than most adults.

According to Stein,

“Treadmill tests on a representative sample of more than 5,300 Americans ages 12 to 49 found that about one out of every five had poor cardiovascular fitness, including about one-third of teenagers and 14 percent of young adults. Based on the findings, an estimated 7.5 million adolescents and at least 8.5 million adults are out of condition, the researchers found.”

Read the full article at the Washington Post link above.

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