Number of repetitions and muscle fatigue in system in multiple yers series leg press 45the thread and direct in healthy men/Numero de repeticoes e fadiga muscular em sistema de series multiplas nos exercicios leg press 45[degrees] e rosca direta em homens saudaveis

The objective was to determine number of repetitions and muscle fatigue during training in multiple sets at 45[degrees] Leg Press and Arm Curl. Six men who practice strength training for at least a year, attended the laboratory on 3 occasions, the first to determine the maximum load (1RM) in Leg Pre...

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Bibliographic Details
Published in:Revista brasileira de prescrição e fisiologia do exercício 2013-01, Vol.7 (37), p.65
Main Authors: Magosso, Rodrigo Ferro, Souza, Markus Vinicius Campos, Pereira, Guilherme Borges, Marine, Diego Adorna, Bertucci, Danilo Rodrigues, Domingos, Mateus Morais, de Sousa, Nuno Manoel Frade, Pires, Cassio Mascarenhas Robert
Format: Article
Language:Portuguese
Subjects:
Fatigue
Weight training
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Summary:The objective was to determine number of repetitions and muscle fatigue during training in multiple sets at 45[degrees] Leg Press and Arm Curl. Six men who practice strength training for at least a year, attended the laboratory on 3 occasions, the first to determine the maximum load (1RM) in Leg Press and Arm Curl, and the following two to carry out the training protocol (4 sets at 75% 1RM with 1 minute recovery between each) in multiple sets for each exercise in randomized order and separated by 72h. We observed significant differences in the number of repetitions performed in 4 series of exercises in the Leg Press and Arm Curl respectively: 1: 14,5 [+ or -] 2,3 versus 10,7 [+ or -] 1,2 (p = 0,0136), 2: 10,2 [+ or -] 1,8 versus 4,5 [+ or -] 1,8 (p = 0,0009), 3: 7,7 [+ or -] 2,0 versus 1,8 [+ or -] 1,2 (p = 0,0009), 4: 7,3 [+ or -] 2,1 versus 1,5 [+ or -] 0,8 (p = 0,0007). Total volume of repetitions in Leg Press was significantly higher when compared with Arm Curl (39,7 [+ or -] 6,3 e 18,5 [+ or -] 4,5, respectively; p = 0,0006). Fatigue index in Leg Press was greater and statistically significant compared to Arm Curl (31,6 [+ or -] 9,4% e 56,6 [+ or -] 6,8%, respectively; p = 0,0004). In conclusion, the results show that the Arm Curl is held low number of repetitions and it has greater fatigue when compared to the Leg Press intensity of 75% 1RM.
ISSN:1981-9900
1981-9900