Dantas, Paulo Moreira SilvaTrindade, Thiago Barbosa2018-06-122018-06-122018-02-28TRINDADE, Thiago Barbosa. Efeitos crônicos do método de pré-exaustão versus treinamento de força tradicional sobre a composição corporal e hipertrofia muscular. 2018. 62f. Dissertação (Mestrado em Educação Física) - Centro de Ciências da Saúde, Universidade Federal do Rio Grande do Norte, Natal, 2018.https://repositorio.ufrn.br/jspui/handle/123456789/25373Pre-exhaustion is a strength training strategy where two or more exercises are performed in succession, with the goal of maximizing strength and muscle hypertrophy. The aim of this study was to compare the effects of two strength training programs – traditional vs. pre-exhaustion – on body composition, strength and muscle hypertrophy in young males. . Thirty-five untrained subjects were randomly allocated in two groups: traditional (n= 12; 31,42 ± 5,53 years; 81,68 ± 13,83 Kg; 174,43 ± 7,41 cm), pre-exhaustion (n= 12; 31,33 ± 7,30 years; 79,81 ± 13,79 Kg; 174,46 ± 4,22 cm) and control (n= 11; 30,75 ± 8,04 years; 84,85 ± 13,98 Kg; 176,55 ± 4,57 cm). All subjects performed one-repetition maximum tests (1RM) in the leg press and seated knee extension exercises, ultrasound scans in the quadriceps and gluteus maximus muscles, and DEXA scans before and after a lower limb strength training program, which lasted for 9 weeks: twice a week; 3 sets of 45° Leg Press at 75% of 1RM until momentary muscular failure; 1 minute of rest between sets. The pre-exhaustion group performed one additional set of seated knee extension at 20% of 1RM, until momentary muscular failure, immediately before (≤ 10 seconds) each training session. Total training volume was monitored during the whole program. Statistical analysis was performed descriptively through mean values, standard deviation and a confidence interval of 95%. One and two-way analysis of variance tests (ANOVA) were used, as well as an effect size analysis to verify differences between the magnitudes of change in each group. Statistical significance was assumed for P values < 0,05 Pre-exhaustion resulted in a lower total training volume and a more expressive increase in the 1RM seated knee extension tests, while the results were not different for both groups in the 1RM leg press test, as well as for thigh and hip muscle hypertrophy and lean mass. Only traditional training resulted in gluteus maximus hypertrophy and total body fat loss. Pre-exhaustion is a useful and efficient training strategy for hypertrophy and strength gains, with a lower training volume.Acesso AbertoHipertrofia muscularUltrassonografiaQuadrícepsForça máximaVolume muscularMassa corporal magramasterThesisCNPQ::CIENCIAS DA SAUDE::EDUCACAO FISICA