Assimetrias na força muscular isométrica, taxa de desenvolvimento de força e na eficiência neuromuscular de extensores do joelho em diferentes faixas de idade

Schimidt, Helen Lidiane; Machado, Álvaro; Vaz, Marco Aurélio; Carpes, Felipe P.

doi:10.5007/1980-0037.2014v16n3p307

Cited by 7 publications

(2 citation statements)

References 26 publications

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“…Thus, although this allows the characterization of the strength of each limb separately and the comparison between them, if only 1 limb is selected preferentially to be assessed, it may misrepresent the strength capacity of the individual. In this sense, concerning the performance of the preferred (PREF) and nonpreferred (N-PREF) limbs, previous studies in young and old adults present conflicting results (8,9,24,26,34,36,37). Some studies have shown that 1 limb is stronger than the opposite limb, whereas others show no difference between limbs, with older adults seeming to be more asymmetrical (24,26,34,36,37).…”

Section: Introductionmentioning

confidence: 97%

“…In this sense, concerning the performance of the preferred (PREF) and nonpreferred (N-PREF) limbs, previous studies in young and old adults present conflicting results (8,9,24,26,34,36,37). Some studies have shown that 1 limb is stronger than the opposite limb, whereas others show no difference between limbs, with older adults seeming to be more asymmetrical (24,26,34,36,37). Moreover, because of the dynamic nature of motor lateralization (28), lower limb asymmetries can be expected to be more prominent with aging (27)(28)(29)(30).…”

Section: Introductionmentioning

confidence: 97%

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Differential Responsiveness for Strength Gain Between Limbs After Resistance Training in Older Women: Impact on Interlimb Asymmetry Reduction

Nunes

Marcori

Ribeiro

et al. 2022

Journal of Strength and Conditioning Research

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Nunes, JP, Marcori, AJ, Ribeiro, AS, Cunha, PM, Kassiano, W, Costa, BDV, Aguiar, AF, Nakamura, M, Mayhew, JL, and Cyrino, ES. Differential responsiveness for strength gain between limbs after resistance training in older women: Impact on interlimb asymmetry reduction. J Strength Cond Res 36(11): 3209–3216, 2022—The present study compared strength responses between preferred (PREF) and nonpreferred (N-PREF) legs in older women. Muscular strength was measured unilaterally using an isokinetic dynamometer and was analyzed for reproducibility scores, acute performance, and responsiveness to a resistance training (RT) program. One hundred eleven women (aged ≥60 years) performed 12 weeks of whole-body RT (3 times a week; 4 lower-body exercises). Reproducibility scores (intraclass correlation coefficient ≥0.920; following test-retests in part of the sample at pretraining; n = 19), average acute performances, and average strength gains (PREF = ∼6.9%; N-PREF = ∼7.2%) were similar between legs (p > 0.05). However, the individual analyses showed that some subjects were considered responders to strength gains in 1 leg, whereas nonresponders in the other. Nonetheless, when considering the responses in all strength tests, most subjects (91%) were considered responder to at least 1 measure. In addition, it was observed that the strength ratio between PREF/N-PREF legs was altered for those who presented some asymmetry at baseline, as the limbs became more symmetrical in all strength measures after the RT. In conclusion, we observed that some older women may have different levels of strength between legs; however, a traditional 12-week RT program with bilateral exercises can reduce such asymmetry by inducing greater strength gains in the weaker leg.

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Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 97%

Differential Responsiveness for Strength Gain Between Limbs After Resistance Training in Older Women: Impact on Interlimb Asymmetry Reduction

Nunes

Marcori

Ribeiro

et al. 2022

Journal of Strength and Conditioning Research

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Effect of a 6-week strength-training program on neuromuscular efficiency in type 2 diabetes mellitus patients

et al. 2020

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Contribution of hip abductor–adductor muscles on static and dynamic balance of community-dwelling older adults

et al. 2018

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Assimetrias na força muscular isométrica, taxa de desenvolvimento de força e na eficiência neuromuscular de extensores do joelho em diferentes faixas de idade

Abstract: Isometric muscle force, rate of force development and knee extensor neuromuscular efficiency asymmetries at different age groupsAssimetrias na força muscular isométrica, taxa de desenvolvimento de força e na eficiência neuromuscular de extensores do joelho em diferentes faixas de idade

Cited by 7 publications

References 26 publications

Differential Responsiveness for Strength Gain Between Limbs After Resistance Training in Older Women: Impact on Interlimb Asymmetry Reduction

Differential Responsiveness for Strength Gain Between Limbs After Resistance Training in Older Women: Impact on Interlimb Asymmetry Reduction

Effect of a 6-week strength-training program on neuromuscular efficiency in type 2 diabetes mellitus patients

Contribution of hip abductor–adductor muscles on static and dynamic balance of community-dwelling older adults

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