What is fitness?

Fitness is a large part of a healthy life style. Despite its importance, many people live very sedentary lifestyles.  People spend a lot of their cheap ray ban sungalsses free time sitting in front of computers and TV’s, and sitting in the car to drive. In an attempt to be fit, people sometimes join a gym or health club, and will go there twice or three times per week to work up a sweat for 1 1⁄2 or 2 hours.

Due to our lifestyles and habits, it’s important to:

How much exercise is required?

Harvard researchers have found that the amount of calories burnt cheap nfl jerseys wholesale by NFL Jerseys Cheap exercise should be 过关斩将争主宰 about 2000 per week. Exercises include:

  • Power walking: 30 minutes – 300 calories
  • Swimming
  • Treadmill exercise
  • Bicycling, alternatively riding a stationary exercise bike
  • Aerobic dancing or simple aerobics


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