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Article

Effects of Resistance Training with Different Pyramid Systems on Bioimpedance Vector Patterns, Body Composition, and Cellular Health in Older Women: A Randomized Controlled Trial

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Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sports Center, Londrina State University, Londrina, PR 86057-970, Brazil
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Center for Research in Health Sciences, University of Northern Paraná, Londrina, PR 86041-140, Brazil
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Department of Physical Education, São Paulo State University, Presidente Prudente, SP 19060-900, Brazil
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Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
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Department of Biomedical and Neuromotor Science, University of Bologna, 40126 Bologna, Italy
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Exercise Science Department, CUNY Lehman College, Bronx, NY 10468, USA
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Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1499-002 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(16), 6658; https://doi.org/10.3390/su12166658
Received: 20 July 2020 / Revised: 14 August 2020 / Accepted: 16 August 2020 / Published: 18 August 2020
Bioelectrical impedance vector analysis (BIVA) and phase angle (PhA) have been widely used to monitor changes in health-related parameters in older adults, while resistance training (RT) is one of the potential strategies to mitigate the adverse effects of aging. The purpose of this study was to compare the effects of the crescent pyramid RT system with two repetition zones on BIVA patterns and PhA. Fifty-five older women (≥60 years) were randomly assigned into three groups: control (CON, n = 18), narrow pyramid (NPR, n = 19), and wide pyramid (WPR, n = 18). The RT was performed for eight weeks, three times per week, in eight exercises for the whole body with three sets of 12/10/8 (NPR) or 15/10/5 repetitions (WPR). Bioimpedance spectroscopy (50 kHz frequency) was assessed. After the intervention period, both training groups showed significant changes in BIVA patterns compared to CON (p < 0.001); resistance decreased and reactance increased, which resulted in a BIVA-vector displacement over time (p < 0.001). Changes in PhA were greater for WPR (∆% = 10.6; effect size [ES] = 0.64) compared to NPR (∆% = 5.3; ES = 0.41) and CON (∆% = −6.4; ES = −0.40). The results suggest that the crescent pyramid RT system with both repetition zones (WPR and NPR) is effective for inducing improvements in BIVA patterns and PhA in older women, although WPR elicits greater increases in PhA than NPR. View Full-Text
Keywords: aging; BIVA; bioelectrical impedance analysis; body composition; elderly; strength training; dose-response aging; BIVA; bioelectrical impedance analysis; body composition; elderly; strength training; dose-response
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MDPI and ACS Style

dos Santos, L.; Ribeiro, A.S.; Gobbo, L.A.; Nunes, J.P.; Cunha, P.M.; Campa, F.; Toselli, S.; Schoenfeld, B.J.; Sardinha, L.B.; Cyrino, E.S. Effects of Resistance Training with Different Pyramid Systems on Bioimpedance Vector Patterns, Body Composition, and Cellular Health in Older Women: A Randomized Controlled Trial. Sustainability 2020, 12, 6658. https://doi.org/10.3390/su12166658

AMA Style

dos Santos L, Ribeiro AS, Gobbo LA, Nunes JP, Cunha PM, Campa F, Toselli S, Schoenfeld BJ, Sardinha LB, Cyrino ES. Effects of Resistance Training with Different Pyramid Systems on Bioimpedance Vector Patterns, Body Composition, and Cellular Health in Older Women: A Randomized Controlled Trial. Sustainability. 2020; 12(16):6658. https://doi.org/10.3390/su12166658

Chicago/Turabian Style

dos Santos, Leandro, Alex S. Ribeiro, Luís A. Gobbo, João P. Nunes, Paolo M. Cunha, Francesco Campa, Stefania Toselli, Brad J. Schoenfeld, Luís B. Sardinha, and Edilson S. Cyrino 2020. "Effects of Resistance Training with Different Pyramid Systems on Bioimpedance Vector Patterns, Body Composition, and Cellular Health in Older Women: A Randomized Controlled Trial" Sustainability 12, no. 16: 6658. https://doi.org/10.3390/su12166658

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