Acute Effects of Different Overspeed Loads with Motorized Towing System in Young Athletes: A Pilot Study
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Other documents of the author: Cecília-Gallego, Pau; Odriozola, Adrián; Beltran-Garrido, Jose Vicente; Álvarez-Herms, Jesús
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comunitat-uji-handle2:10234/174799
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Title
Acute Effects of Different Overspeed Loads with Motorized Towing System in Young Athletes: A Pilot StudyAuthor (s)
Date
2022-08Publisher
MDPIISSN
2079-7737Bibliographic citation
Cecília-Gallego, P.; Odriozola, A.; Beltrán-Garrido, J.V.; Álvarez-Herms, J. Acute Effects of Different Overspeed Loads with Motorized Towing System in Young Athletes: A Pilot Study. Biology 2022, 11, 1223. https://doi.org/10.3390/biology11081223Type
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Abstract
Overspeed is a training method used to improve running speed, although its effects are not supported by consensual scientific evidence. The overspeed stimulus can be boosted by several methods, including motorized ... [+]
Overspeed is a training method used to improve running speed, although its effects are not supported by consensual scientific evidence. The overspeed stimulus can be boosted by several methods, including motorized towing devices. Our objectives were to analyze the acute effects of three overspeed loads in young athletes and to select optimal loads for training periods. Eight young athletes (16.73 ± 1.69 years) performed one unassisted sprint and three assisted sprints, and kinematic and biomechanical data were compared. Significant increases (p < 0.05) in step velocity and step length were found with 2, 4, and 5.25 kg in maximum running speed, flight time and horizontal distance from the first contact to the vertical projection of the center of mass with 4 and 5.25 kg. Significant time decreases were found in 5 m flying sprint and contact time with 4 and 5.25 kg, and no significant changes were observed in step rate. The individually recommended loads would be between 3.47 ± 0.68% and 6.94 ± 1.35% body weight. Even having limitations, we can understand this work and its results as a pilot study to replicate the methodology and the use of new devices to more broadly investigate the effects of overspeed. [-]
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Biology, 2022, vol. 11, no 8Rights
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