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Subsequent Performance of Two 1RM Tests in the Same Session Reduces 1RM and Consequently the Volume Load of Strength Training Session

Igor C. S. Fonseca¹, Vernon Cruz¹, Mariana Fonseca¹-²,

Carolina Simões¹, Paula Cossenzo¹, Leszek A. Szmuchrowski¹, Marcos D. M. Drummond¹, Ronaldo A. D. Silva¹-²

1Laboratory of Nutrition and Sports Training; Load Evaluation Laboratory – Universidade Federal de Minas Gerais, Brazil.

2University Estácio de Sá de Belo Horizonte, Minas Gerais, Brazil

ABSTRACT

Fonseca I, Cruz V, Fonseca M, Simões C, Cossenzo P, Szmuchrowski LA, Drummond MDM, Silva RAD. Subsequent Performance of Two 1RM Tests in the Same Session Reduces 1RM and Consequently the Volume Load of Strength Training Session. JEPonline 2020;23(5):65-75. The purpose of this study was to compare the results of one-repetition maximum test (1RM) in Leg Press performed without (LEG) or with previous 1RM test on Back Squat (BS/LEG), and to verifying the subsequent effect on maximum repetitions per set (MRS), volume load (repetitions x mass lifted) and rating of perceived exertion (RPE) of strength training sessions. Ten trained men (21.4 ± 2.17 years; 80.8 ± 9.95 kg; 175.1 ± 8.03 cm) performed the two sessions of 1RM tests. Subsequently, the subjects performed 5 sets of Back Squat and Leg Press with 70% of 1RM obtained in the BS/LEG test session (PROT-A) and in the LEG test session (PROT-B). The paired t-test showed that the 1RM was significantly higher (P ................
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