Effect of unilateral and bilateral resistance exercise on maximal voluntary strength, total volume of load lifted, and perceptual and metabolic responses

Biology of Sport
Ec CostaMs Aoki

Abstract

The present study investigated the effect of unilateral and bilateral resistance exercise (RE) on maximal voluntary strength, total volume of load lifted (TVLL), rating of perceived exertion (RPE) and blood lactate concentration of resistance-trained males. Twelve healthy men were assessed for the leg extension one-repetition maximum (1RM) strength using bilateral and unilateral contractions. Following this assessment, an RE session (3 sets of repetitions to failure) was conducted with bilateral and unilateral (both limbs) contractions using a load of 50% 1RM. The TVLL was calculated by the product of the number of repetitions and the load lifted per repetition. RPE and blood lactate were measured before, during and after each set. Session RPE was measured 30 minutes after RE sessions. There was a significant difference in the bilateral (120.0±11.9) and unilateral (135.0±20.2 kg) 1RM strength (p < 0.05). The TVLL was similar between both RE sessions. Although the repetitions decreased with each successive set, the total number of repetitions completed in the bilateral protocol (48) was superior to the unilateral (40) protocol (p < 0.05). In both bouts, RPE increased with each subsequent set whilst blood lactate increased after ...Continue Reading

Citations

Sep 2, 2016·European Journal of Applied Physiology·Jakob ŠkarabotJanne Avela
Feb 9, 2017·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Martin J MacInnisStuart M Phillips
Jul 26, 2017·The Journal of Sports Medicine and Physical Fitness·Rafael TimónJosé Castro-Piñero
Jul 23, 2015·Journal of Strength and Conditioning Research·Derrick E SpeirsAnthony P Turner
Dec 7, 2019·Journal of Strength and Conditioning Research·Carlos D Gómez-CarmonaJosé Pino-Ortega
Jun 27, 2020·European Journal of Applied Physiology·Daphney M StanfordMatthew B Jessee
Apr 21, 2018·Strength and Conditioning Journal·Shinichiro MorishitaJack B Fu
Feb 12, 2019·Journal of Strength and Conditioning Research·Chris BishopPaul Read

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