Effects of strength training on IGF-1 and functional autonomy in eldely women

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Rodrigo Gomes de Souza Vale
Universidade Estácio de Sá, Cabo Frio
Vanessa Ferreira Rodrigues
Universidade Estácio de Sá, Cabo Frio

Abstract

The aim of the study was to evaluate the effects of strength training on the levels of IGF-1 and functional autonomy in elderly women. The sample included 24 subjects divided into an experimental group (EG; n: 14; age: 69±5.1 years; BMI: 27.91±4.2), subjected to resistance exercise (2-3 sets of 8 to 10 repetitions for each exercise; 3x / week, 50 minutes / session) for 20 weeks and a control group (CG; n: 10; age: 69±5.9 years; BMI: 28.57±4.1). Control of strength training intensity was performed by perceived exertion. IGF-1 levels were analyzed by chemiluminescence. The GDLAM protocol of functional autonomy was applied and the overall autonomy index (AI) was calculated. Repeated measures ANOVA revealed a significant improvement in the levels of IGF-1 and AI (p <0.05) in EG. In intergroup comparison, the EG had higher levels IGF-1 and AI (p <0.05) compared to the CG in posttest. Strength training contributed to an increase in IGF-1 hormone levels and to performance improvement in activities of daily living in the elderly women.

Item information
Published: Dec 29, 2014
Issue: Vol. 15 No. 2 (2014): Revista Ciencias de la Actividad Física UCM
Section: Research
Keywords: Aging, ADI, IGF-1, strenght training

Article Details

How to Cite
Effects of strength training on IGF-1 and functional autonomy in eldely women. (2014). Revista Ciencias De La Actividad Física UCM, 15(2), 35-42. http://enisibib.ucm.cl/index.php/revistacaf/article/view/60
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