143altitude6 - as you get higher, steep portion of curve,...

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6 Oxygen transport • Oxy-hemoglobin dissociation curve – little change in saturation of hemoglobin until about 3000m – up to 2000m changes in PO 2 will still provide over 90 % saturation of Hb – little impact on rest or moderate activity – elite athletes 1968 Olympics in Mexico city (2300m) - poor performance in endurance competition
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Unformatted text preview: as you get higher, steep portion of curve, impact more dramatic Begins affecting moderate activity 4300m - 32% sea level capacity above 5500m permanent living nearly impossible climbers often utilize O 2 tanks when higher than this...
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