Physiological responses and external validity of a new setting for taekwondo combat simulation

Combat simulations have served as an alternative framework to study the cardiorespiratory demands of the activity in combat sports, but this setting imposes rule-restrictions that may compromise the competitiveness of the bouts. The aim of this study was to assess the cardiorespiratory responses to...

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Veröffentlicht in:PloS one Jg. 12; H. 2; S. e0171553
Hauptverfasser: Hausen, Matheus, Soares, Pedro Paulo, Araújo, Marcus Paulo, Porto, Flávia, Franchini, Emerson, Bridge, Craig Alan, Gurgel, Jonas
Format: Journal Article
Sprache:Englisch
Veröffentlicht: United States Public Library of Science 03.02.2017
Public Library of Science (PLoS)
Schlagworte:
Anthropometry
Athletes
Biology and Life Sciences
Biomechanics
Cardiorespiratory Fitness
Cardiovascular Physiological Phenomena
Competitiveness
Exercise
Exercise Test
Health aspects
Heart Rate
Humans
Lactic acid
Male
Martial arts
Martial Arts - physiology
Medicine and Health Sciences
Metabolism
Oxygen
Oxygen Consumption
Oxygen uptake
Physical education
Physical fitness
Physical Sciences
Physiological responses
Physiology
Research and Analysis Methods
Science
Simulation
Studies
Tae kwon do
Validity
Young Adult
Brazil
Rio de Janeiro Brazil
ISSN:1932-6203, 1932-6203
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Zusammenfassung:Combat simulations have served as an alternative framework to study the cardiorespiratory demands of the activity in combat sports, but this setting imposes rule-restrictions that may compromise the competitiveness of the bouts. The aim of this study was to assess the cardiorespiratory responses to a full-contact taekwondo combat simulation using a safe and externally valid competitive setting. Twelve male national level taekwondo athletes visited the laboratory on two separate occasions. On the first visit, anthropometric and running cardiopulmonary exercise assessments were performed. In the following two to seven days, participants performed a full-contact combat simulation, using a specifically designed gas analyser protector. Oxygen uptake ([Formula: see text]), heart rate (HR) and capillary blood lactate measurements ([La-]) were obtained. Time-motion analysis was performed to compare activity profile. The simulation yielded broadly comparable activity profiles to those performed in competition, a mean [Formula: see text] of 36.6 ± 3.9 ml.kg-1.min-1 (73 ± 6% [Formula: see text]) and mean HR of 177 ± 10 beats.min-1 (93 ± 5% HRPEAK). A peak [Formula: see text] of 44.8 ± 5.0 ml.kg-1.min-1 (89 ± 5% [Formula: see text]), a peak heart rate of 190 ± 13 beats.min-1 (98 ± 3% HRmax) and peak [La-] of 12.3 ± 2.9 mmol.L-1 was elicited by the bouts. Regarding time-motion analysis, combat simulation presented a similar exchange time, a shorter preparation time and a longer exchange-preparation ratio. Taekwondo combats capturing the full-contact competitive elements of a bout elicit moderate to high cardiorespiratory demands on the competitors. These data are valuable to assist preparatory strategies within the sport.
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Conceptualization: MH PPS MPA FP EF CAB JG.Formal analysis: MH PPS MPA FP EF CAB JG.Funding acquisition: MH PPS MPA FP EF CAB JG.Investigation: MH PPS MPA FP EF CAB JG.Methodology: MH PPS MPA FP EF CAB JG.Project administration: MH PPS MPA FP EF CAB JG.Resources: MH PPS MPA FP EF CAB JG.Supervision: MH PPS MPA FP EF CAB JG.Visualization: MH PPS MPA FP EF CAB JG.Writing – original draft: MH PPS MPA FP EF CAB JG.Writing – review & editing: MH PPS MPA FP EF CAB JG.
Competing Interests: The authors have declared that no competing interests exist.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0171553