title: The athlete at high altitude.
abstract: Track times at moderate altitudes (7000 to 8000 feet) are modified by decreased wind resistance and by systemic disturbances such as mountain sickness, disruption of training, and a decrease of maximum oxygen intake. The optimum period of acclimatization is probably two to three days. This permits adjustment of cerebrospinal fluid acid-base balance, but minimizes disturbances of plasma volume and stroke volume. Further study is needed to establish whether altitude training can improve performance in sea-level competitions.
mesh_terms: D000064:Acclimatization; D000136:Acid-Base Equilibrium; D000531:Altitude; D001810:Blood Volume; D002302:Cardiac Output; D006321:Heart / Q000503:physiopathology; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D007773:Lactates / Q000097:blood; D009203:Myocardial Infarction / Q000209:etiology; D010101:Oxygen Consumption; D010806:Physical Education and Training; D005082:Physical Exertion; D011654:Pulmonary Edema / Q000209:etiology; D013178:Sports Medicine; D013997:Time Factors
chemical_list: D006454:Hemoglobins; D007773:Lactates