Hyperandrogenism Enhances Muscle Strength After Progressive Resistance Training, Independent of Body Composition, in Women With Polycystic Ovary Syndrome
| Autor: | Daiana Cristina Chielli Pedroso, Anderson Sanches de Melo, Rafael Carvalho da Silva, Rui Alberto Ferriani, Gislaine Satyko Kogure, Cristiana Libardi Miranda-Furtado, Rosana Maria dos Reis, Victor Barbosa Ribeiro |
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| Rok vydání: | 2018 |
| Předmět: |
Adult
medicine.medical_specialty endocrine system diseases Adolescent 030209 endocrinology & metabolism Physical Therapy Sports Therapy and Rehabilitation Bench press Body fat percentage Muscle hypertrophy 03 medical and health sciences Young Adult 0302 clinical medicine Internal medicine medicine Humans Orthopedics and Sports Medicine Muscle Strength 030219 obstetrics & reproductive medicine business.industry Hyperandrogenism nutritional and metabolic diseases Skeletal muscle Resistance Training General Medicine medicine.disease Polycystic ovary female genital diseases and pregnancy complications medicine.anatomical_structure Endocrinology Cross-Sectional Studies Treatment Outcome Case-Control Studies Lean body mass Body Composition Female business Body mass index Follow-Up Studies Polycystic Ovary Syndrome |
| Zdroj: | Journal of strength and conditioning research. 32(9) |
| ISSN: | 1533-4287 |
| Popis: | Kogure, GS, Silva, RC, Miranda-Furtado, CL, Ribeiro, VB, Pedroso, DCC, Melo, AS, Ferriani, RA, and Reis, RMd. Hyperandrogenism enhances muscle strength after progressive resistance training, independent of body composition, in women with polycystic ovary syndrome. J Strength Cond Res 32(9): 2651-2660, 2018-The effects of resistance exercise on muscle strength, body composition, and increase in cross-sectional area of skeletal muscle (hypertrophy) were evaluated in women with polycystic ovary syndrome (PCOS). This case-control study included 45 PCOS and 52 non-PCOS women, with age between 18-37 years and body mass index of 18-39.9 kg·m. Subjects performed a program of progressive resistance training (PRT), 3 times per week for 4 months. Biochemical characteristics were measured before and after PRT. Muscle strength evaluated by 1 maximum repetition test and body composition and hypertrophy indicator, evaluated by anthropometry, were measured at baseline, at 8 weeks, and at 16 weeks after PRT. Progressive resistance training produced an increase in maximum strength (bench press, p = 0.04; leg extension, p = 0.04) in the PCOS group; however, no changes were observed in body composition between groups. Concentration of testosterone decreased in both PCOS and non-PCOS groups (p < 0.01, both) after PRT, as well as glycemia (PCOS, p = 0.01; non-PCOS, p = 0.02) and body fat percentage (p < 0.01, both). An increase in hypertrophy indicators, lean body mass (LBM), and maximum strength on all exercises was observed in both PCOS and non-PCOS groups (p < 0.01). This training protocol promoted increases in muscle strength in PCOS women, and improved hyperandrogenism and body composition by decreasing body fat and increasing LBM and muscle strength in both PCOS and non-PCOS groups. Therefore, it is suggested that resistance exercise programs could promote health and fitness in women of reproductive age, especially functional capacity of strength those with PCOS. |
| Databáze: | OpenAIRE |
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