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1- Department of Physical Education and sport Science, Teacher Training Shahid Rajaee University of Tehran, Tehran, Iran. , karami.sp@gmail.com
2- Department of Physical Education and sport science, Kharazmi University of Tehran, Tehran, Iran.
2- Department of Physical Education and sport science, Kharazmi University of Tehran, Tehran, Iran.
Abstract: (289 Views)
Objectives Changes in hemodynamic factors such as blood pressure, Rate of Pressure Product and Flow mediated dilation, are the most important cardiovascular changes in older age. The purpose of this study is to investigate the effect of resistance training on some hemodynamic and functional factors in the elderly.
Materials and Methods In this quasi-experimental study, 24 older adults men were selected from among 100 older adults people and were randomly divided into two control and training groups. Before and after eight weeks of resistance training, mean arterial blood pressure, Rate of Pressure Product and Flow mediated dilation, hand muscle strength and Timed Up and Go were measured. The difference in the values of the variables in the two groups was analyzed by independent and correlated t-test at the level of P≤0.05 using SPSS software version 25.
Results The mean of age subjects was 67.75 years. Decrease in mean arterial blood pressure (P=0.027), increase in changes in Flow mediated dilation (P=0.022), decrease in Rate of Pressure Product (P=0.023), increase hand muscle strength (P=0.019) And a decrease in Timed Up and Go (P=0.032) was observed in the experimental group.
Conclusion Resistance training can reduce the load on the cardiovascular system by improving hemodynamic factors and possibly prevent the occurrence of cardiovascular diseases related to older age. Also, with the increase in muscle strength and balance in the elderly, the risk of falling will decrease and their quality of life will increase. Therefore, it can be cautiously said that resistance training with sufficient intensity can be considered as a supplement to aerobic training in old age.
Materials and Methods In this quasi-experimental study, 24 older adults men were selected from among 100 older adults people and were randomly divided into two control and training groups. Before and after eight weeks of resistance training, mean arterial blood pressure, Rate of Pressure Product and Flow mediated dilation, hand muscle strength and Timed Up and Go were measured. The difference in the values of the variables in the two groups was analyzed by independent and correlated t-test at the level of P≤0.05 using SPSS software version 25.
Results The mean of age subjects was 67.75 years. Decrease in mean arterial blood pressure (P=0.027), increase in changes in Flow mediated dilation (P=0.022), decrease in Rate of Pressure Product (P=0.023), increase hand muscle strength (P=0.019) And a decrease in Timed Up and Go (P=0.032) was observed in the experimental group.
Conclusion Resistance training can reduce the load on the cardiovascular system by improving hemodynamic factors and possibly prevent the occurrence of cardiovascular diseases related to older age. Also, with the increase in muscle strength and balance in the elderly, the risk of falling will decrease and their quality of life will increase. Therefore, it can be cautiously said that resistance training with sufficient intensity can be considered as a supplement to aerobic training in old age.
Keywords: Mean aortic pressures, Blood pressure, Heart rate, Hemodynamics, Resistance training, Older adults
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Salmand- Iranian Journal of Ageing
University of Social Welfare and Rehabilitation Sciences, Koodakyar Alley, Daneshjoo Blv., Evin, Tehran, Iran
Journal Tel: +98 21 22180018 - (Ext: 2816)
Publisher Tel:+9821 4535 5555 - 4535 5000
Email: salmand2010@gmail.com
