The effect of voluntary ventilation on acid-base responses to a moo duk tkow form

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Deutscher übersetzter Titel:Die Auswirkung willkürlicher Ventilation auf Säure-Basen-Reaktionen bei einer Moo-Duk-Tkow-Übungsform
Autor:Hetzler, Ronald K.; Knowlton, Ronald G.; Brown, Dale D.; Noakes, Teresa A.
Erschienen in:Research quarterly for exercise and sport
Veröffentlicht:60 (1989), 1, S. 77-80, Lit.
Format: Literatur (SPOLIT)
Publikationstyp: Zeitschriftenartikel
Medienart: Gedruckte Ressource Elektronische Ressource (online)
Sprache:Englisch
ISSN:0270-1367, 2168-3824
DOI:10.1080/02701367.1989.10607416
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Erfassungsnummer:PU199102037564
Quelle:BISp

Abstract des Autors

Voluntary control of breathing is taught in Moo Duk Tkow in order to maximize force during striking, kicking, and blocking. Form, a formalized practice routine which incorporates these techniques, is a short predetermined sequence of arm and leg movements performed at high intensity which includes a number of pauses. The purpose of this study was to investigate the acid-base and lactate responses to a beginning level form, Ki Cho I. Nine subjects, five black belts and four brown belts, were asked to perform Ki Cho I at competitive intensity. Arterialized finger capillary blood was drawn prior to and immediately after the form for the determination of pH, bicarbonate, base excess, and PCO2 by use of the Siggaard-Anderson Nomogram. Heart rate was obtained by ECG, and lactate was measured by enzymatic assay. Statistically significant differences (p<.05) were found for all variables. Mean pre and post values (+/- standard deviations) were; pH 7.39 +/- .04 to 7.34 +/- .03; base excess -.3 +/- 1.2 to -2.8 +/- 1.7 mEq/L; bicarbonate 23.7 +/- 1.0 to 21.8 +/- 1.4 mEq/L; PCO2 39.9 +/- 3.9 to 45.1 +/- 5.4 mmHg; lactate 1.51 +/- .71 to 3.23 +/- 1.56 mM; and heart rate 74.9 +/- 12.6 to 132.1 +/- 17.0 bpm. The mean form times was 17.2 +/- 1.8 s. It was concluded that respiratory compensation does not occur and that respiratory acidosis may contribute to the metabolic acidosis. Verf.-Referat