[Physical training in high altitude]. 1981

P R Moret, and P Bopp, and A Righetti, and A Bloch, and P Suter

Hemodynamic parameters and myocardial extraction of lactate and free fatty acids (FFA) have been studied at rest and during exercise (bicycle) in 9 mountain climbers who spent 4 weeks in the Himalayas at an altitude of 5500-7000 m. All investigations were performed before and immediately after the stay at high altitude. The combined effect of physical training and hypoxemia of high altitude did not alter the hemodynamic parameters, calculated VO2 max, production of lactate or decrease of FFA during the exercise test, but myocardial extraction of lactate and FFA changed. After returning from the expedition myocardial extraction (at rest and during exercise) of lactate increased and that of FFA decreased. The reasons for these alterations and their goals and implications are discussed.

UI MeSH Term Description Entries
D007773 Lactates Salts or esters of LACTIC ACID containing the general formula CH3CHOHCOOR.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009051 Mountaineering A sport involving mountain climbing techniques. Mountaineerings
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D010806 Physical Education and Training Instructional programs in the care and development of the body, often in schools. The concept does not include prescribed exercises, which is EXERCISE THERAPY. Education, Physical,Physical Education,Physical Education, Training
D005230 Fatty Acids, Nonesterified FATTY ACIDS found in the plasma that are complexed with SERUM ALBUMIN for transport. These fatty acids are not in glycerol ester form. Fatty Acids, Free,Free Fatty Acid,Free Fatty Acids,NEFA,Acid, Free Fatty,Acids, Free Fatty,Acids, Nonesterified Fatty,Fatty Acid, Free,Nonesterified Fatty Acids
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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