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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Rivista di Medicina, Traumatologia e Psicologia dello Sport


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The Journal of Sports Medicine and Physical Fitness 2017 Jul 24

DOI: 10.23736/S0022-4707.17.07793-3

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Inertial flywheel resistance training and muscle oxygen saturation

Rafael TIMÓN 1 , Jesús G. PONCE-GONZÁLEZ 2, José L. GONZÁLEZ-MONTESINOS 2, Guillermo OLCINA 1, Alejandro PÉREZ-PÉREZ 2, José CASTRO-PIÑERO 2

1 Department of Physical Education and Sport, Sport Sciences Faculty, University of Extremadura, Cáceres, Spain; 2 Department of Physical Education, School of Education, University of Cádiz, Puerto Real, Spain


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BACKGROUND: The inertial flywheel device causes an increase in eccentric overload during training. The aim was to study muscle oxygen saturation produced during an inertial flywheel squat training, comparing it with a barbell squat training.
METHODS: Twelve male adults performed a barbell squat training (3 x 8 reps, 75-80% 1RM) and a flywheel squat training (3 x 8 reps, all-out). Muscle oxygen saturation (%SmO2), total hemoglobin (tHb), reoxygenation, heart rate (HR), lactate, vertical jumps, maximal voluntary isometric contraction and rated perceived exertion (RPE) were studied.
RESULTS: Both protocols produced a significant decrease in %SmO2 and tHB during the sets of squats, and a significant increase in HR, lactate sdand RPE after training. The flywheel squat protocol caused a greater decrease in %SmO2 than the barbell squat protocol in each of the sets of exercises (1st set:- 67.5 ± 7.2vs -53.7 ± 16.2 %; 2nd set: - 67.2 ± 13.5vs -53.6 ± 15.4 %; 3rdset: -68.1 ± 13.0vs -55.0 ± 17.0 %), as well as a longer reoxygenation after finishing the training (61.7 ± 12.6 vs 55.7 ± 13.7 s.).
CONCLUSIONS: Although no differences were found on a muscle fatigue level, the flywheel training brought on greater physiological stress than the barbell squat training, observing a greater decrease in muscle oxygen saturation and a longer reoxygenation.


KEY WORDS: Flywheel training - Eccentric overload - Muscle oxygen saturation - Squat exercise

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Publication History

Article first published online: July 24, 2017
Manuscript accepted: July 24, 2017
Manuscript revised: July 11, 2017
Manuscript received: May 19, 2017

Per citare questo articolo

Timón R, Ponce-González JG, González-Montesinos JL, Olcina G, Pérez-Pérez A, Castro-Piñero J. Inertial flywheel resistance training and muscle oxygen saturation. J Sports Med Phys Fitness 2017 Jul 24. DOI: 10.23736/S0022-4707.17.07793-3

Corresponding author e-mail

rtimon@unex.es