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Int J Sports Med 2007; 28(10): 815-822
DOI: 10.1055/s-2007-964901
Physiology & Biochemistry

© Georg Thieme Verlag KG Stuttgart · New York

Effects of Strength Training and Reduced Training on Functional Performance and Metabolic Health Indicators in Middle-Aged Men

J. Sallinen1 , M. Fogelholm2 , J. S. Volek3 , W. J. Kraemer3 , M. Alen4 , K. Häkkinen1
  • 1Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland
  • 2UKK Institute for Health Promotion Research, Tampere, Finland
  • 3Department of Kinesiology, Human Performance Laboratory, University of Connecticut, Storrs, CT, USA
  • 4Department of Health Sciences, University of Jyväskylä, Jyväskylä, Finland
Further Information

Publication History

accepted after revision August 14, 2006

Publication Date:
23 April 2007 (online)

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Abstract

Changes in muscular fitness and metabolic health indicators were examined in 22 men (57.9 ± 6.6 years, BMI 24.5 ± 2.6 kg/m2) and 21 control men (58.2 ± 6.1 years, BMI 25.4 ± 2.8 kg/m2) during two consecutive 21-week periods: 1) whole body progressive strength training (ST: twice a week), and 2) continued reduced training (CRT: 3 ST sessions/2 weeks, n = 17 + 17). After the 21-week ST period, maximal strength of leg extensors increased in the ST group by 19.6 ± 7.6 % vs. 2.8 ± 4.4 % (p < 0.001) and also 10-m walking time and 10-step stair-climbing time shortened by - 17.2 ± 7.6 % vs. 4.1 ± 3.9 % (p < 0.01) and by - 8.2 ± 6.8 % vs. - 3.0 ± 6.8 % (p < 0.05) compared to the controls. Systolic blood pressure (BP) decreased in the ST group by - 4.4 ± 6.7 % vs. 1.3 ± 9.5 % (p < 0.05) compared to the controls after the ST period. Muscle strength as well as walking and stair-climbing times remained the same during the CRT. However, the changes in diastolic BP (- 8.9 ± 8.7 % vs. - 1.0 ± 6.6 %, p < 0.05) and fasting blood glucose concentrations (0.1 ± 0.4 mmol/L vs. 0.3 ± 0.4 mmol/L, p < 0.05) differed between the ST and control groups after the whole 42-week study period. Strength training has positive health effects in aging men by increasing maximal strength and functional performance and by decreasing resting blood pressure and high-intensity reduced strength training can maintain these health benefits.

Key words

muscle strength - functional performance - blood pressure - lipoproteins - elderly

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M.Sc. (Nutrition) Janne Sallinen

Department of Biology of Physical Activity
University of Jyväskylä

P.O. Box 35

40014 University of Jyväskylä

Finland

Phone: + 35 81 42 60 20 89

Fax: + 35 81 42 60 20 71

Email: janne.sallinen@sport.jyu.fi

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