How many hours of exercise do I need in one week?
Asked by anonymous on Apr 03, 2009 in Fitness


Most people need to exercise about seven hours a week.  The US Government offers these exercise guidelines, which differ by segment of the population:

  • Adults, to prevent weight gain:  30 minutes or more of moderate activity on most days, although 60 minutes of moderate to vigorous activity on most days is better
  • Adults, to lose weight:  60 – 90 minutes per day of moderate to vigorous activity  
  • Adolescents and children:  60 minutes or more per day

In addition, adults need strength-training exercise two days a week to work all major muscle groups.


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