Iratxe Duñabeitia1, Haritz Arrieta2, Jon Torres-Unda3, Javier Gil4, Jordan Santos-Concejero5, Susana M Gil6, Jon Irazusta7, Iraia Bidaurrazaga-Letona8. 1. Department of Physiology, Faculty of Medicine, University of the Basque Country (UPV/EHU), P.O. Box 699, E-48080 Bilbao, Bizkaia, Spain. Electronic address: iratxe.dunabeitia@ehu.eus. 2. Department of Physiology, Faculty of Medicine, University of the Basque Country (UPV/EHU), P.O. Box 699, E-48080 Bilbao, Bizkaia, Spain. Electronic address: haritz.arrieta@ehu.eus. 3. Department of Physiology, Faculty of Medicine, University of the Basque Country (UPV/EHU), P.O. Box 699, E-48080 Bilbao, Bizkaia, Spain. Electronic address: juanjose.torres@ehu.eus. 4. Department of Physiology, Faculty of Medicine, University of the Basque Country (UPV/EHU), P.O. Box 699, E-48080 Bilbao, Bizkaia, Spain. Electronic address: javier.gilgoikouria@ehu.eus. 5. Department of Physical Education and Sport, Faculty of Physical Activity and Sport, University of the Basque Country (UPV/EHU), E-01006 Vitoria-Gasteiz, Spain. Electronic address: jordan.santos@ehu.eus. 6. Department of Physiology, Faculty of Medicine, University of the Basque Country (UPV/EHU), P.O. Box 699, E-48080 Bilbao, Bizkaia, Spain. Electronic address: susana.gil@ehu.eus. 7. Department of Physiology, Faculty of Medicine, University of the Basque Country (UPV/EHU), P.O. Box 699, E-48080 Bilbao, Bizkaia, Spain. Electronic address: jon.irazusta@ehu.eus. 8. Department of Physiology, Faculty of Medicine, University of the Basque Country (UPV/EHU), P.O. Box 699, E-48080 Bilbao, Bizkaia, Spain. Electronic address: iraia.bidaurrazaga@ehu.eus.
Abstract
OBJECTIVES: This study compared the effects of a capacitive-resistive electric transfer therapy (Tecar) and passive rest on physiological and biomechanical parameters in recreational runners when performed shortly after an exhausting training session. DESIGN: Randomized controlled crossover trial. SETTING: University biomechanical research laboratory. PARTICIPANTS: Fourteen trained male runners MAIN OUTCOME MEASURES: Physiological (running economy, oxygen uptake, respiratory exchange ratio, ventilation, heart rate, blood lactate concentration) and biomechanical (step length; stride angle, height, frequency, and contact time; swing time; contact phase; support phase; push-off phase) parameters were measured during two incremental treadmill running tests performed two days apart after an exhaustive training session. RESULTS: When running at 14 km/h and 16 km/h, the Tecar treatment group presented greater increases in stride length (p < 0.001), angle (p < 0.05) and height (p < 0.001) between the first and second tests than the control group and, accordingly, greater decreases in stride frequency (p < 0.05). Physiological parameters were similar between groups. CONCLUSIONS: The present study suggests that a Tecar therapy intervention enhances biomechanical parameters in recreational runners after an exhaustive training session more than passive rest, generating a more efficient running pattern without affecting selected physiological parameters.
RCT Entities:
OBJECTIVES: This study compared the effects of a capacitive-resistive electric transfer therapy (Tecar) and passive rest on physiological and biomechanical parameters in recreational runners when performed shortly after an exhausting training session. DESIGN: Randomized controlled crossover trial. SETTING: University biomechanical research laboratory. PARTICIPANTS: Fourteen trained male runners MAIN OUTCOME MEASURES: Physiological (running economy, oxygen uptake, respiratory exchange ratio, ventilation, heart rate, blood lactate concentration) and biomechanical (step length; stride angle, height, frequency, and contact time; swing time; contact phase; support phase; push-off phase) parameters were measured during two incremental treadmill running tests performed two days apart after an exhaustive training session. RESULTS: When running at 14 km/h and 16 km/h, the Tecar treatment group presented greater increases in stride length (p < 0.001), angle (p < 0.05) and height (p < 0.001) between the first and second tests than the control group and, accordingly, greater decreases in stride frequency (p < 0.05). Physiological parameters were similar between groups. CONCLUSIONS: The present study suggests that a Tecar therapy intervention enhances biomechanical parameters in recreational runners after an exhaustive training session more than passive rest, generating a more efficient running pattern without affecting selected physiological parameters.
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