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Altitude Training in Elite Swimmers for Sea Level Performance (Altitude Project)

Titelangaben

Rodríguez, Ferran A. ; Iglesias, Xavier ; Feriche, Belén ; Calderón-Soto, Carmen ; Chaverri, Diego ; Wachsmuth, Nadine ; Schmidt, Walter ; Levine, Benjamin D.:
Altitude Training in Elite Swimmers for Sea Level Performance (Altitude Project).
In: Medicine & Science in Sports & Exercise. Bd. 47 (September 2015) Heft 9 . - S. 1965-1978.
ISSN 1530-0315
DOI: 10.1249/MSS.0000000000000626

Abstract

INTRODUCTION
This controlled, nonrandomized, parallel-groups trial investigated the effects on performance, V˙O2 and hemoglobin mass (tHbmass) of four preparatory in-season training interventions: living and training at moderate altitude for 3 and 4 wk (Hi-Hi3, Hi-Hi), living high and training high and low (Hi-HiLo, 4 wk), and living and training at sea level (SL) (Lo-Lo, 4 wk).

METHODS
From 61 elite swimmers, 54 met all inclusion criteria and completed time trials over 50- and 400-m crawl (TT50, TT400), and 100 (sprinters) or 200 m (nonsprinters) at best stroke (TT100/TT200). Maximal oxygen uptake (V˙O2max) and HR were measured with an incremental 4 × 200 m test. Training load was estimated using cumulative training impulse method and session RPE. Initial measures (PRE) were repeated immediately (POST) and once weekly on return to SL (PostW1 to PostW4). tHbmass was measured in duplicate at PRE and once weekly during the camp with CO rebreathing. Effects were analyzed using mixed linear modeling.

RESULTS
TT100 or TT200 was worse or unchanged immediately at POST, but improved by approximately 3.5% regardless of living or training at SL or altitude after at least 1 wk of SL recovery. Hi-HiLo achieved greater improvement 2 (5.3%) and 4 wk (6.3%) after the camp. Hi-HiLo also improved more in TT400 and TT50 2 (4.2% and 5.2%, respectively) and 4 wk (4.7% and 5.5%) from return. This performance improvement was not linked linearly to changes in V˙O2max or tHbmass.

CONCLUSIONS
A well-implemented 3- or 4-wk training camp may impair performance immediately but clearly improves performance even in elite swimmers after a period of SL recovery. Hi-HiLo for 4 wk improves performance in swimming above and beyond altitude and SL controls through complex mechanisms involving altitude living and SL training effects.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft
Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft > Professur Sportwissenschaft IV (Sportmedizin/Sportphysiologie)
Fakultäten
Fakultäten > Kulturwissenschaftliche Fakultät
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin und Gesundheit
Eingestellt am: 07 Sep 2017 08:18
Letzte Änderung: 07 Sep 2017 08:18
URI: https://eref.uni-bayreuth.de/id/eprint/39219