Effect of mate tea consumption on rapid force production after eccentric exercise: a randomized, controlled, crossover s
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ORIGINAL ARTICLE
Effect of mate tea consumption on rapid force production after eccentric exercise: a randomized, controlled, crossover study Bruno Monteiro Moura1 · Vilma Pereira Panza2 · Henver Simionato Brunetta3 · Aline Cavalheiro Tamborindeguy1 · Marina Vieira de Oliveira4 · Raphael Luiz Sakugawa1 · Everson Araújo Nunes3 · Edson Luiz da Silva2,4 · Fernando Diefenthaeler1 Received: 7 November 2019 / Accepted: 26 June 2020 © Springer-Verlag Italia S.r.l., part of Springer Nature 2020
Abstract Background and purpose Unusual eccentric exercise (EE) may affect muscle ability to produce rapid force. Previous study suggested that short-term mate tea (MT) consumption may enhance muscle strength recovery from EE, but MT benefits on the rate of torque development (RTD) are unknown. This study investigated the effect of MT on RTD and muscle damage and antioxidant defence biomarkers following EE. Methods In a randomised, crossover design, 12 men drank either MT or water (control; CON) for 11 days. On the 8th day, 3 sets of 20 maximal isokinetic eccentric for elbow flexors with one arm were performed. RTD of the elbow flexor muscles at 0–50, 0–100, 50–100, 0–200, and 100–200 ms were assessed before and at 0, 24, 48, and 72 h after exercise. Blood samples were obtained before and at 24, 48, and 72 h after exercise and analysed for creatine kinase (CK), aldolase (ALD), total phenols, and reduced:oxidized glutathione (GSH:GSSG) ratio. Results RTD0–50 deficit after EE was independent of treatment. Compared with CON, MT improved RTD0–100 at 48 h (21%, P = 0.015) and 72 h (24%, P = 0.022); RTD0–200 at 48 h (18%, P = 0.034) and 72 h (21%, P = 0.029); RTD50–100 at 48 h (25%, P = 0.001) and 72 h (19%, P = 0.011); and RTD100–200 at 72 h (28%, P = 0.038). CK peaked (P = 0.012) in both trials at 72 h, and ALD was higher in MT than in CON before and at 24 h (P = 0.005 and P 100 ms), when neural activation may be high/maximal, RTD would become more dependent on structural mechanisms [13–20], such as fascicle length and muscle thickness [20]. The RTD has been considered to be better associated with most performances of both sport-specific and functional daily tasks than MIVC strength [14, 16]. The ability to perform rapid and forceful movements may be crucial for stabilizing joints to prevent, controlling sudden perturbation in postural balance, and performing high-speed muscle actions [16, 17]. Thus, recovering contractile RTD after unaccustomed and/or strenuous eccentric muscular work may be especially important for athletes whose training typically involves fast movements (~50 to 250 ms), such as jumping, sprint running, or punching [14–16]. There is growing evidence that supplementation with specific phytochemical-rich food may favour muscle strength recovery after EEIMD [21–24], probably due to antioxidant and/or anti-inflammatory properties of their bioactive compounds. For instance, mate tea (MT) is a beverage made from an infusion of roasted leaves of yerba mate (Ilex paraguariensis)—which is rich in phenolic c
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