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Title: The impact of resistance exercise on the cognitive function of the elderly
Authors: Cassilhas, Ricardo C.
Viana, Valter A. R.
Grassmann, Viviane
Santos, Ronaldo Vagner Thomatieli dos [UNIFESP]
Santos, Ruth F.
Tufik, Sergio [UNIFESP]
Mello, Marco Tulio de [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Keywords: physical activity
Issue Date: 1-Aug-2007
Publisher: Lippincott Williams & Wilkins
Citation: Medicine and Science in Sports and Exercise. Philadelphia: Lippincott Williams & Wilkins, v. 39, n. 8, p. 1401-1407, 2007.
Abstract: Purpose: the purpose of this study was to assess the impact of 24 wk of resistance training at two different intensities on cognitive functions in the elderly. Methods: Sixty-two elderly individuals were randomly assigned to three groups: CONTROL (N = 23), experimental moderate (EMODERATE; N = 19), and experimental high (EHIGH; N = 20). the volunteers were assessed on physical, hemodynamic, cognitive, and mood parameters before and after the program. Results: On the I RM test (P < 0.001), the two experimental groups performed better than the CONTROL group, but they did not show differences between themselves. the EHIGH group gained more lean mass (P = 0.05) than the CONTROL group and performed better on the following tests: digit span forward (P < 0.001), Corsi's block-tapping task backward (P = 0.001), similarities (P = 0.03), Rey-Osterrieth complex figure immediate recall (P = 0.02), Toulouse-Pieron concentration test errors (P = 0.01), SF-36 (general health) (P = 0.04), POMS (tens ion-anxiety, P = 0.04; depression-dejection, P = 0.03; and total mood disorder, P = 0.03). the EMODERATE group scored higher means than the CONTROL group on digit span forward (P < 0.001), Corsi's block-tapping task backward (P = 0.01), similarities (P = 0.02), Rey-Osterrieth complex figure immediate recall (P = 0.02), SF-36 (general health, P = 0.005; vitality, P = 0.006), POMS (tension-anxiety, P = 0.001; depression-dejection, P = 0.006; anger-hostility, P = 0.006; fatigue-inertia, P = 0.02; confusion-bewilderment, P = 0.02; and total mood disorder, P = 0.001). We also found that IGF-1 serum levels were higher in the experimental groups (EMODERATE, P 0.02; EHIGH, P < 0.001). Conclusions: Moderate- and high-intensity resistance exercise programs had equally beneficial effects on cognitive functioning.
ISSN: 0195-9131
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