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The effects of classic altitude training on hemoglobin mass in swimmers

Titelangaben

Wachsmuth, Nadine ; Völzke, Christian ; Prommer, Nicole ; Schmidt-Trucksäss, Arno ; Frese, F. ; Spahl, O. ; Eastwood, Annette ; Stray-Gundersen, Jim ; Schmidt, Walter:
The effects of classic altitude training on hemoglobin mass in swimmers.
In: European Journal of Applied Physiology. Bd. 113 (2013) Heft 5 . - S. 1199-1211.
ISSN 1439-6327
DOI: https://doi.org/10.1007/s00421-012-2536-0

Abstract

Aim of the study was to determine the influence of classic altitude training on hemoglobin mass (Hb-mass) in elite swimmers under the following aspects: (1) normal oscillation of Hb-mass at sea level; (2) time course of adaptation and de-adaptation; (3) sex influences; (4) influences of illness and injury; (5) interaction of Hb-mass and competition performance. Hb-mass of 45 top swimmers (male 24; female 21) was repeatedly measured (~6 times) over the course of 2 years using the optimized CO-rebreathing method. Twenty-five athletes trained between one and three times for 3-4 weeks at altitude training camps (ATCs) at 2,320 m (3 ATCs) and 1,360 m (1 ATC). Performance was determined by analyzing 726 competitions according to the German point system. The variation of Hb-mass without hypoxic influence was 3.0 % (m) and 2.7 % (f). At altitude, Hb-mass increased by 7.2 +/- 3.3 % (p < 0.001; 2,320 m) and by 3.8 +/- 3.4 % (p < 0.05; 1,360 m). The response at 2,320 m was not sex-related, and no increase was found in ill and injured athletes (n = 8). Hb-mass was found increased on day 13 and was still elevated 24 days after return (4.0 +/- 2.7 %, p < 0.05). Hb-mass had only a small positive effect on swimming performance; an increase in performance was only observed 25-35 days after return from altitude. In conclusion, the altitude (2,320 m) effect on Hb-mass is still present 3 weeks after return, it decisively depends on the health status, but is not influenced by sex. In healthy subjects it exceeds by far the oscillation occurring at sea level. After return from altitude performance increases after a delay of 3 weeks

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Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: adaptation; altitude; altitude training; athlete; athletes; cAMP; CO-REBREATHING METHOD; competition; Female; Germany; HEALTH; HEALTHY-SUBJECTS; hemoglobin; hemoglobin mass; hypoxic; illness; injuries; INJURY; interaction; Male; MASS; method; PERFORMANCE; physiology; SEA-LEVEL; SEX; Sport; SPORTS; swimming; SWIMMING PERFORMANCE; TIME; TIMES; training
Institutionen der Universität: Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft > Professur Sportwissenschaft IV (Sportmedizin/Sportphysiologie)
Fakultäten > Kulturwissenschaftliche Fakultät > Ehemalige Professoren > Professur Sportwissenschaft IV (Sportmedizin/Sportphysiologie) - Univ.-Prof. Dr. Walter Schmidt
Fakultäten
Fakultäten > Kulturwissenschaftliche Fakultät
Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft
Fakultäten > Kulturwissenschaftliche Fakultät > Ehemalige Professoren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin und Gesundheit
Eingestellt am: 23 Nov 2017 08:04
Letzte Änderung: 09 Jun 2022 07:01
URI: https://eref.uni-bayreuth.de/id/eprint/40446