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Contents

1. Introduction
2. Cardiorespiratory fitness
3. Muscular endurance and strength
4. Flexibility
5. Nutrition and fitness
6. Environmental considerations
  - Temperature regulation
  - Heat injuries and symptoms
  - Acclimatization to hot, humid environments
  - Exercising in cold environments
  - Acclimatization to high altitudes
  - Air pollution and exercise
7. Injuries

A. Physiological differences between the sexes

Survival Gear

Handheld GPS
Specialty Outdoor Gear
Digital Compasses
Survival Books
Hunting and Fishing Magazines

ACCLIMATIZATION TO HIGH ALTITUDES

Elevations below 5,000 feet have little noticeable effect on healthy people. However, at higher elevations the atmospheric pressure is reduced, and the body tissues get less oxygen. This means that people cannot work or exercise as well at high altitudes. The limiting effects of high elevation are often most pronounced in older people and persons with low levels of fitness.

Due to acclimatization, the longer a person remains at high altitude, the better his performance becomes. Generally, however, he will not perform as well as at sea level and should not be expected to. For normal activities, the time required to acclimatize depends largely on the altitude.

Before acclimatization is complete, people at high altitudes may suffer acute mountain sickness. This includes such symptoms as headache, rapid pulse, nausea, loss of appetite, and an inability to sleep. The primary treatment is further acclimatization or returning to a lower altitude.

Once people are acclimatized to altitudes above 5,000 feet, deacclimatization will occur if they spend 14 or more days at lower altitudes.



Environmental considerations
Temperature regulation | Heat injuries and symptoms | Acclimatization to hot, humid environments | Exercising in cold environments | Acclimatization to high altitudes | Air pollution and exercise |





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