Artículos de revistas
Abdominal Crunch Exercise Analysis Performed With Maximum And Submaximum Loads: An Electromyographic Study [análise Do Exercício Abdominal "crunch" Realizado Com Cargas Máximas E Submáximas: Respostas Eletromiográ Ficas Da Musculatura Abdominal]
Registro en:
Motricidade. , v. 7, n. 1, p. 85 - 93, 2011.
1646107X
2-s2.0-79957843664
Autor
Moura M.L.
Tessutti L.S.
Moraes A.C.
Institución
Resumen
The purpose of this study was to verify the electromyographic activity of the rectus abdominis and obliquus externus abdominis during abdominal crunch exercise performed with maximum and submaximum loads. Thirteen male and female university students participated in this investigation (18-23 years old). The subjects completed abdominal crunch exercise until exhaustion with 20, 40, 60 and 80% of the maximum load. The root-mean-square (RMS) from electromyography activity of the rectus abdominis and obliquus externus muscles from the first and last three repetitions from each workload performed was analyzed. RMS for the last repetitions increased in relation to the first repetitions for the 20% workload, first two repetitions on 40% workload and first repetition on the 80% workload. There was no difference for the 60% workload. 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