The Effects of Short-Term Unilateral and Bilateral Lower-Body Resistance Training on Measures of Strength and Power

McCurdy, Kevin; Langford, George A.; DOSCHER, MIKE W.; Wiley, Larry P.; MALLARD, KIM G.

doi:10.1519/00124278-200502000-00003

Cited by 27 publications

(58 citation statements)

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“…During rehabilitation, body-weight resistance and light loads can be used to modify the intensity, and larger loads can be used during a strengthtraining program. 6 Although there is a wide anteroposterior base of support during the MSLS, instability comes from contacting the support surface with only the top of the trail foot. Using the trail leg for support produces a wider mediolateral base of support than the SLS but smaller than the TLS.…”

mentioning

confidence: 99%

Comparison of Lower Extremity Emg Between the 2-Leg Squat and Modified Single-Leg Squat in Female Athletes

McCurdy

O'Kelley²,

Kutz³

et al. 2010

Journal of Sport Rehabilitation

105

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mentioning

confidence: 99%

Comparison of Lower Extremity Emg Between the 2-Leg Squat and Modified Single-Leg Squat in Female Athletes

McCurdy

O'Kelley²,

Kutz³

et al. 2010

Journal of Sport Rehabilitation

105

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“…The difference in the prediction capacity in the male model in comparison with the female one was very remarkable, which can be associated with the differences in the male and female performances (38) , or with distinct types of strength training (39)(40) . In addition to that, men present more muscular mass (38) , which tends to result in higher absolute strength than in women (38) .…”

Section: Discussionmentioning

confidence: 97%

Modelo de predição de uma repetição máxima (1RM) baseado nas características antropométricas de homens e mulheres

Materko¹,

Neves²,

Santos³

2007

Rev Bras Med Esporte

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The goal of the present study was to develop an equation for predicting the workload of one maximal repetition (1RM) in women and men, based exclusively on anthropometrical characteristics. Forty-four low-risk and experienced in strength training young subjects, being 22 male (23 ± 4 years, 76.6 ± 12.7 kg, 173.9 ± 5.5 cm, 11 ± 4.5% of body fat) and 22 female (22 ± 4 years, 54 ± 6.0 kg, 161 ± 5.8 cm, 18 ± 2.2% of body fat) volunteered for this study. All subjects were submitted to an anthropometrical evaluation followed by a 1RM familiarization test (shoulder press), which was repeated after 48 h. The repeatability was tested using Wilcoxon Matched paired test. Finally, the 1RM workload was modeled in relation to the anthropometrical variables through multiple linear regression (forward stepwise) using as cutoff criteria for the independent variables ∆r 2 < 0.01. The models reliability was expressed by the Bland and Altman analysis. All tests assumed α = 0.05. No significant differences were recorded between the two tests, resulting 44.6 ± 13.2 kg and 12.2 ± 3.2 kg, for male (MS) and female (FS) subjects respectively. The time of practice in strength training was also included in the models. The model resulted in 84% of explained variance and a standard error of 12% for the MS. On the other hand, for the FS the predictive capacity was weaker than for = the MS, resulting in 56% of the explained variance and a standard error of 20%. In conclusion, the obtained models showed acceptable reliability so that they can be currently used as a tool for predicting the 1RM workload.

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“…Contrapondo a ideia das adaptações serem específicas ao tipo de treino realizado, estudo de McCurdy et al 34 , com homens e mulheres jovens, após oito semanas de treino unilateral e bilateral do exercício agachamento, mostrou aumentos de força em ambas as condições para os dois grupos.…”

Section: Treino De Força E O Déficit Bilateralunclassified

Déficit bilateral: origem, mecanismos e implicações para o treino de força.

Botton

Pinto

2012

Rev. Bras. Cineantropom. Desempenho Hum.

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Resumo -Vários estudos têm demonstrado uma menor capacidade de gerar força quando os exercícios de um programa de treinamento são executados bilateralmente em relação à soma da força executada pelos membros separadamente. Esse fenômeno, que tem sido bem descrito na literatura científica, é chamado de déficit bilateral. Os mecanismos causadores do déficit não são totalmente claros, mas parecem estar relacionados a mecanismos neurais, como um bloqueio dos hemisférios cerebrais ocorrido durante a contração bilateral que reduz a ativação de unidades motoras e a força produzida. Em relação a cada forma de execução (unilateral e bilateral) a longo prazo, as adaptações parecem ser específicas ao tipo de contração utilizada durante o treinamento. Portanto, em consideração à relevância da realização de exercícios executados unilateralmente e bilateralmente dentro de um programa de treino de força, assim como o efeito de cada forma de execução a longo prazo nas adaptações morfológicas e neurológicas do treinamento, esse artigo teve como objetivos caracterizar o fenômeno déficit bilateral, explorar seus principais mecanismos causadores, bem como discutir a influência de cada tipo de treinamento (unilateral e bilateral) nas adaptações do treinamento de força.

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The Effects of Short-Term Unilateral and Bilateral Lower-Body Resistance Training on Measures of Strength and Power

Cited by 27 publications

References 0 publications

Comparison of Lower Extremity Emg Between the 2-Leg Squat and Modified Single-Leg Squat in Female Athletes

Comparison of Lower Extremity Emg Between the 2-Leg Squat and Modified Single-Leg Squat in Female Athletes

Modelo de predição de uma repetição máxima (1RM) baseado nas características antropométricas de homens e mulheres

Déficit bilateral: origem, mecanismos e implicações para o treino de força.

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