Effects on Altitude for athletic performance

This content that since the effects of altitudes on a baseborner floor 5,000 feet are not great, from a practical standpoint, we need to be concerned mainly with the effects on athletic emulation of altitudes between 5,000 and 10,000 feet (p. 443).

The longer an athlete stays at altitude, the discover becomes his or her performance, but it never quite reaches the values obtained at sea level. The improved performance during a stay at one altitude is brought about by acclimatisation. The itemize of weeks to acclimatize depends on the altitude, i.e., for 9,000 feet, about 7 to 10 days, for 12,000 feet, 15 to 21 days, and for 15,000 feet, 21 to 25 days (Fox, 1981, p. 443). These are only approximations because a great deal depends on the individual. In fact, a fewer people never acclimatize and continue to suffer climb or altitude sickness while at altitude.

The physiology of acclimatisation explains why the athlete moving from sea level to mettlesome altitude must "train harder." As people scrape up above sea level, the barometric pressure decreases as the cargo of the atmosphere becomes less. The percentage of oxygen in the air trunk 20.93 percent, but the number of oxygen molecules per unit of volume decreases. This means that, when at altitude, in order to capture the same number of molecules in a breath of air that people receive at sea level, they must breathe more air. The main reason for lessened performance a

Rusko (1996) concludes his review article by advocating the use of an "altitude fellowship" to stimulate the effects of training at altitude without some(prenominal) of the negative side-effects (p. 52).

In terms of the effect of altitude--even that as low as 5,000 feet--the athlete had not developed compensatory erythrocytosis, but was mildly anemic. The physicians determined that the mild anemia, coupled with the relative hypoxia (insufficient oxygen supply) collectable to the higher altitude, may have directly contributed to his death. Although this medical shift is extreme, and includes a genetic weakness (anemia), the hemodynamic compromise brought on by altitude is suspected as a contributing cause.

iodin of the negative side-effects is an increase in hemoglobin concentration. Berglund (1992) reports the following:

Hypoxia stimulates the acclimatization mechanisms. Depending upon altitude and length of stay, among the important physiological changes that take impersonate during acclimatization to altitude are the following: increased pulmonic ventilation (hyperventilation), increased number of red blood cells and hemoglobin concentration, elimination of bicarbonate in the urine, and tissue level changes.

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