Volume 12, Issue 1 (6-2017)                   Salmand 2017, 12(1): 18-29 | Back to browse issues page



DOI: 10.21859/sija-120116

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Taheri M, Irandoost K, Yousefi S, Jamali A. Effect of 8-Week Lower Extremity Weight-Bearing Exercise Protocol and Acute Caffeine Consumption on Reaction Time in Postmenopausal Women. Salmand. 2017; 12 (1) :18-29
URL: http://salmandj.uswr.ac.ir/article-1-1219-en.html

1- PhD Department of Physical Education and Sports Science, Faculty of Social Sciences, International University of Imam Khomeini, Qazvin, Iran. , taheri_morteza@yahoo.com
2- Department of Physical Education and Sports Science, Faculty of Social Sciences, International University of Imam Khomeini, Qazvin, Iran.
Abstract:   (1171 Views)

Objectives The purpose of this research was to study the effect of eight weeks of weight-bearing exercise and acute caffeine supplementation on reaction time in elderly women.
Methods & Materials The research method was quasi-experimental with pretest-posttest design. The study subjects comprised 43 menopausal, inactive women with mean [SD] age of 55.69 [5.88] years who were randomly assigned into three groups of training (15 persons), caffeine (15 persons), and control (13 persons). The training protocol was performed over 8 weeks. The control group was not part of the exercise program. The body composition analyzer and simple and choice reaction time instrument were applied. Dependent t test and 1-way ANOVA test with post hoc Tukey test were applied to analyze the data. 
Results The results suggested that weight-bearing exercises had a significant effect on simple reaction time (sound) while it was not significantly different in simple reaction time (voice) (P=0.003, P= 0.003, and P= 0.09, respectively). It was also found that caffeine intake (2 mg/kg) had no significant effect on reaction time (P=0.12). 
Conclusion Weight-bearing training can be effective in improving the reaction time of the elderly. 

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Type of Study: Research | Subject: Geriatric
Received: 2016/10/09 | Accepted: 2017/01/12 | Published: 2017/06/01

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