An Electromyographic Comparison of an Isokinetic Bench Press Performed at Three Speeds

Rosentswieg, Joel; Hinson, M M; Ridgway, M.

doi:10.1080/10671315.1975.10616705

Cited by 2 publications

(6 citation statements)

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“…Previous investigations have indicated that maximal bench press performance is influenced by biomechanical and anthropometric factors including bar path, grip width, chest depth, and limb length (Elliott et al, 1989;Harman, 1984;McLaughlin, 1984;Rosentswieg et al, 1975;Wilson, Elliott, & Kerr, 1989). The importance of these factors in experienced weight trainers has not been fully quantified, however.…”

Section: Resultsmentioning

confidence: 99%

“…Many biomechanical and anthropometric relationships have been examined to determine their relationship to bench press performance. Although the activity of the anterior deltoid, triceps brachii, and pectoralis major muscles during the bench press movement has been quantified through electromyography (Elliott, Wilson, & Kerr, 1989;McLaughlin, 1984;Rosentswieg, Hinson, & Ridgway, 1975),, their relative contributions may depend on the width of the subject's grip on the bar (McLaughlin, 1984). Madsen and McLaughlin (1984) suggested that the geometry of the movement of the bar was an important factor in successful bench press performance.…”

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The Effect of Grip Width on Bench Press Performance

Wagner¹,

Evans²,

Weir³

et al. 1992

International Journal of Sport Biomechanics

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The purpose of this study was to determine the effects of grip width, chest depth, limb lengths, and bar path on the performance of a maximal bench press. Subjects were 24 experienced male weight trainers. Bench press performance was assessed at six different grip widths (G1–G6). Repeated-measures ANOVA with Tukey post hoc comparisons revealed that bench press strength values at the two moderate grip widths (G3 and G4) were significantly greater than either the narrow or wide grip widths. First-order partial correlations showed no significant relationship between strength values and anthropometric variables when adjusted for differences in body weight. Standard two-dimensional cinematographic procedures were used to film a subsample (n = 6) while bench pressing using G1, G3, and G6. The results of the statistical comparisons of bar path indicated that as grip width increased, the horizontal and vertical distance from the bar to the shoulder decreased.

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Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 99%

The Effect of Grip Width on Bench Press Performance

Wagner¹,

Evans²,

Weir³

et al. 1992

International Journal of Sport Biomechanics

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“…Em indivíduos sem qualquer deficiência, vários aspectos têm sido estudados com a finalidade de melhor compreender os mecanismos que podem contribuir para melhorar esse desempenho. Trebs, Brandenburg e Pitney (2010) citam que o exercício supino é comumente utilizado para desenvolver a musculatura do peitoral, ombro e tríceps, e além do supino tradicional (no banco plano), variações na execução são usadas em alguns treinamentos, apesar de uma falta de compreensão clara sobre a forma como essa modificação altera a ativação do grupo muscular peitoral e outros músculos sinergistas. Geralmente o treinamento envolve maior resistência, menor repetição e exercícios que utilizam grandes massas musculares para aumentar a geração de força máxima por um músculo ou grupo muscular (JUDGE;BURKE, 2010).…”

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“…O objetivo do estudo foi determinar como a velocidade do supino influenciava na ativação muscular. Os autores demonstraram que o músculo Peitoral Maior tinha uma ativação inversamente proporcional a velocidade (ROSENTSWIEG; HINSON;RIDGWAY, 1975). Fundamentação Teórica enfatiza a ação do músculo Peitoral Maior e diminui a ação do TrícepsMcLAUGHLIN, 1984;WAGNER et al, 1992).…”

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“…As análises dos dados indicam que os sujeitos falhavam com 103% da carga do 1RM. Van den Tillaar e Ettema(2010) sugeriram em seu estudo que a região de sticking ocorre não por causa da falta de força, mas devido ao atraso neural causado pelo desgaste na fase excêntrica.Figura 9: Comportamento típico do deslocamento da barra na vertical e velocidade da barra no movimento descrito por Van den Tillaar e Ettema (2009).O estudo realizado por Van den Tillaar e Ettema (2009) mostra que foi encontrado um aumento significante do recrutamento muscular do Peitoral Maior e Deltoide Anterior durante o movimento de subida. Já o bíceps mostrou um decréscimo na atividade muscular em ambas tentativas.…”

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Estudo da atividade eletromiográfica e de parâmetros cinemáticos do supino paralímpico de alto rendimento

Silva¹

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eightlifting first appeared on Paralympics in 1964 in Tokyo, in which the athletes deficiency was exclusively spinal injury. In weightlifting athletes remain lying on a bench, and perform a movement known as bench press. The test begins when the support bar is removed -with or without the help of auxiliary center -leaving the fully extended elbows. The athlete flexing arms, elbows down the bar to the chest. Then the bar is raised to the starting position, ending the movement. The athlete can perform the movement three times, the most validated weight, as referees are aware of the continuous execution of the movement and to clear the bar stop on the chest. The aim of this stud y was to examine kinematic and electromyographic aspects in different periods of the concentric phase of the movement of paralympic bench in high-performance athletes. Participated in three female subjects aged 23 to 48 years (mean 39.8 ± 11.2) and 7 male subjects aged between 18 and 41 years (mean 26.5 ± 8.0) were conducted Attempts to perform 3 to 95% of 1RM load, obeying the rules of the game. They were plotted the velocity curves and offset for later split the concentric phase in phases of pre-sticking, sticking and post-sticking. Electromyography revealed that the deltoid and pectoral muscles had higher recruiting the triceps muscle during much of the concentric phase of the movement. These results suggest that there may have been greater activation of these muscles to compensate for the muscle wasting caused by the eccentric phase.

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An Electromyographic Comparison of an Isokinetic Bench Press Performed at Three Speeds

Cited by 2 publications

References 2 publications

The Effect of Grip Width on Bench Press Performance

The Effect of Grip Width on Bench Press Performance

Estudo da atividade eletromiográfica e de parâmetros cinemáticos do supino paralímpico de alto rendimento

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