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

Leandro dos Santos, Alex S. Ribeiro, Luís A. Gobbo, João Pedro Nunes, Paolo M. Cunha, Francesco Campa, Stefania Toselli, Brad J. Schoenfeld, Luís B. Sardinha and Edilson S. Cyrino
Additional contact information
Leandro dos Santos: Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sports Center, Londrina State University, Londrina, PR 86057-970, Brazil
Alex S. Ribeiro: Center for Research in Health Sciences, University of Northern Paraná, Londrina, PR 86041-140, Brazil
Luís A. Gobbo: Department of Physical Education, São Paulo State University, Presidente Prudente, SP 19060-900, Brazil
João Pedro Nunes: Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sports Center, Londrina State University, Londrina, PR 86057-970, Brazil
Paolo M. Cunha: Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sports Center, Londrina State University, Londrina, PR 86057-970, Brazil
Francesco Campa: Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
Stefania Toselli: Department of Biomedical and Neuromotor Science, University of Bologna, 40126 Bologna, Italy
Brad J. Schoenfeld: Exercise Science Department, CUNY Lehman College, Bronx, NY 10468, USA
Luís B. Sardinha: Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1499-002 Lisboa, Portugal
Edilson S. Cyrino: Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sports Center, Londrina State University, Londrina, PR 86057-970, Brazil

Sustainability, 2020, vol. 12, issue 16, 1-12

Abstract: 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.

Keywords: aging; BIVA; bioelectrical impedance analysis; body composition; elderly; strength training; dose-response (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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