Neuromuscular Fatigue and Physiological Responses After Five Dynamic Squat Exercise Protocols

Journal of Strength and Conditioning Research
C RaederA Ferrauti

Abstract

This aimed to analyze neuromuscular, physiological and perceptual responses to a single bout of 5 different dynamic squat exercise protocols. In a randomized and counterbalanced order, 15 male resistance-trained athletes (mean ± SD; age: 23.1 ± 1.9 years, body mass: 77.4 ± 8.0 kg) completed traditional multiple sets (MS: 4 × 6, 85% 1 repetition maximum [RM]), drop sets (DS: 1 × 6, 85% 1RM + 3 drop sets), eccentric overload (EO: 4 × 6, 70% 1RM concentric, 100% 1RM eccentric), flywheel YoYo squat (FW: 4 × 6, all-out), and a plyometric jump protocol (PJ: 4 × 15, all-out). Blood lactate (La), ratings of perceived exertion (RPE), counter movement jump height (CMJ), multiple rebound jump (MRJ) performance, maximal voluntary isometric contraction force, serum creatine kinase (CK) and delayed onset muscle soreness were measured. Immediately post exercise, La was significantly (p < 0.001) higher in FW (mean ± 95% confidence limit; 12.2 ± 0.9 mmol·L) and lower in PJ (3.0 ± 0.8 mmol·L) compared with MS (7.7 ± 1.5 mmol·L), DS (8.5 ± 0.6 mmol·L), and EO (8.2 ± 1.6 mmol·L), accompanied by similar RPE responses. Neuromuscular performance (CMJ, MRJ) significantly remained decreased (p < 0.001) from 0.5 to 48 hours post exercise in all protocol...Continue Reading

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Citations

Jun 19, 2016·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Rauno Álvaro de Paula SimolaAlexander Ferrauti
Jul 26, 2017·The Journal of Sports Medicine and Physical Fitness·Rafael TimónJosé Castro-Piñero
Dec 14, 2018·Sports Medicine - Open·Henrik PetréC Mikael Mattsson
Feb 20, 2019·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Daniel J BelcherMichael C Zourdos
Oct 31, 2017·Journal of Strength and Conditioning Research·Paul E LuebbersMichael S Butler
Dec 7, 2019·Journal of Strength and Conditioning Research·Carlos D Gómez-CarmonaJosé Pino-Ortega
Feb 22, 2018·Journal of Strength and Conditioning Research·Rodney A Kennedy, David Drake
Mar 16, 2017·Journal of Strength and Conditioning Research·Athanasios TsoukosGregory C Bogdanis
Jan 10, 2021·European Journal of Applied Physiology·I MarkusYftach Gepner
Feb 20, 2021·International Journal of Sports Physiology and Performance·Thimo WiewelhoveAlexander Ferrauti
Jun 3, 2021·International Journal of Environmental Research and Public Health·Sandro BartolomeiSilvia Fantozzi
Dec 12, 2020·The Journal of Sports Medicine and Physical Fitness·Sotirios ArsenisAthanasios Chatzinikolaou

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