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Published in: European Journal of Applied Physiology 5/2018

01-05-2018 | Original Article

The acute effect of Quercetin on muscle performance following a single resistance training session

Authors: Federica Patrizio, Massimiliano Ditroilo, Francesco Felici, Guglielmo Duranti, Giuseppe De Vito, Stefania Sabatini, Massimo Sacchetti, Ilenia Bazzucchi

Published in: European Journal of Applied Physiology | Issue 5/2018

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Abstract

Purpose

To examine the effect of acute quercetin (Q) ingestion on neuromuscular function, biomarkers of muscle damage, and rate of perceived exertion (RPE) in response to an acute bout of resistance training.

Methods

10 young men (22.1 ± 1.8 years, 24.1 ± 3.1 BMI) participated in a randomized, double-blind, crossover study. Subjects consumed Q (1 g/day) or placebo (PLA) 3 h prior to a resistance training session which consisted of 3 sets of 8 repetitions at 80% of the one repetition maximum (1RM) completed bilaterally for eight different resistance exercises. Electromyographic (EMG) signals were recorded from the knee extensor muscles during maximal isometric (MVIC) and isokinetic voluntary contractions, and during an isometric fatiguing test. Mechanical and EMG signals, biomarkers of cell damage, and RPE score were measured PRE, immediately POST, and 24 h (blood indices only) following the resistance exercise.

Results

After a single dose of Q, the torque–velocity curve of knee extensors was enhanced and after the resistance exercise, subjects showed a lower MVIC reduction (Q: 0.91 ± 6.10%, PLA: 8.66 ± 5.08%) with a greater rate of torque development (+ 10.6%, p < 0.005) and neuromuscular efficiency ratio (+ 28.2%, p < 0.005). Total volume of the resistance exercises was significantly greater in Q (1691.10 ± 376.71 kg rep) compared to PLA (1663.65 ± 378.85 kg rep) (p < 0.05) with a comparable RPE score. No significant differences were found in blood marker between treatments.

Conclusions

The acute ingestion of Q may enhance the neuromuscular performance during and after a resistance training session.
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Metadata
Title
The acute effect of Quercetin on muscle performance following a single resistance training session
Authors
Federica Patrizio
Massimiliano Ditroilo
Francesco Felici
Guglielmo Duranti
Giuseppe De Vito
Stefania Sabatini
Massimo Sacchetti
Ilenia Bazzucchi
Publication date
01-05-2018
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Applied Physiology / Issue 5/2018
Print ISSN: 1439-6319
Electronic ISSN: 1439-6327
DOI
https://doi.org/10.1007/s00421-018-3834-y

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