Improvement of Oxidative Stress in Older Women Is Dependent on Resistance Training Volume: Active Aging Longitudinal Study. Issue 4 (7th April 2022)

• Record Type: Journal Article
• Authors: Cunha, Paolo M.; Ribeiro, Alex S.; Padilha, Camila; Nunes, João Pedro; Schoenfeld, Brad J.; Cyrino, Letícia T.; Tomeleri, Crisieli M.; Nascimento, Matheus A.; Antunes, Melissa; Fernandes, Rodrigo R.; Barbosa, Décio S.; Venturini, Danielle; Burini, Roberto C.; Sardinha, Luís B.; Cyrino, Edilson S.
• Is Part Of: Journal of strength and conditioning research. Volume 36:Issue 4(2022)
• Page Start: 1141
• Page End: 1146
• Publication Date: 2022-04-07
• Subjects: strength training -- training volume -- TRAP -- AOPP -- FOX; Physical education and training -- Periodicals; Weight training -- Physiological aspects -- Periodicals; Physical fitness -- Periodicals; 613.7
• DOI: 10.1519/JSC.0000000000003602
• Languages: English
• ISSNs: 1064-8011

Abstract

Abstract: Cunha, PM, Ribeiro, AS, Padilha, C, Nunes, JP, Schoenfeld, BJ, Cyrino, LT, Tomeleri, CM, Nascimento, MA, Antunes, M, Fernandes, RR, Barbosa, DS, Venturini, D, Burini, RC, Sardinha, LB, and Cyrino, ES. Improvement of oxidative stress in older women is dependent on resistance training volume: Active aging longitudinal study. J Strength Cond Res 36(4): 1141–1146, 2022—The purpose of the present study was to investigate the effects of resistance training (RT) performed with a higher versus lower training volume on oxidative stress (OS) biomarkers in older women. Thirty-eight older women (≥60 years) were randomly assigned to 1 of 2 groups: a group that performed 1 set per exercise (low volume [LV], n = 18) or 3 sets per exercise (high volume [HV], n = 20). The whole-body RT consisted of a 12-week RT program involving 8 exercises performed with sets of 10–15 repetitions maximum, 3 days per week. Advanced oxidation protein products (AOPP), total radical-trapping antioxidant parameter (TRAP), and ferrous oxidation-xylenol orange (FOX) were used as OS biomarkers. The composite Z-score of the percentage changes from pre- to posttraining of OS biomarkers according to groups was calculated. A significant main effect of time ( p < 0.05) was found for AOPP (LV = −7.3% vs. HV = −12.2%) and TRAP (LV = +1.5% vs. HV = +15.5%) concentrations, without a statistical difference between the groups ( p > 0.05). A significant group vs. time interaction ( p < 0.001) was revealed for FOX (LV = +6.4% vs. HV = −8.9%). The overall analysis indicated higher positive changes for HV than LV (composed Z-score: HV = 0.41 ± 1.22 vs. LV = −0.37 ± 1.03; p < 0.05). Our results suggest that a greater volume of RT seems to promote superior improvements on OS biomarkers in older women.