The Effect of weight bearing water aerobic exercise on the bone density of the lumbar spine of 50-70 years old overweight women

Document Type : Original article

Authors

1 1. Student of PHD in the field of Sports Physiology, Islamic Azad University, Research & Science Branch. Tehran. Iran.

2 2. Full Professor, Department of Physical Education & Sport Sciences, Khrazmi University. Tehran. Iran.

3 3. Associate Professor, Department of exercise physiology, Central of Tehran Branches, Islamic Azad University, Tehran, Iran.

4 4. Student of PHD in the field of Sports Physiology in Tehran University. Tehran. Iran.

Abstract

Background and Aim: Osteoporosis is a common bone disease among the women which reduces quality of life and lifetime span. The aim of present study was to examine the effect of 12 week weight bearing water aerobic exercise program on the bone mineral density of the lumbar spine in 50-70 years old overweight women.
Materials and Methods: twenty post-menopausal overweight  women with the age of 50-75 years were admitted in this study and randomly assigned to water exercise group(n=10) and control group (n=10)( Both groups had an equal number of people with osteoporosis and without osteoporosis.). The exercises group participated in 12 weeks 60 minutes weight bearing water aerobic exercise program 3 times per week that increased gradually to 90 minute during 12 week. While the control group was asked to do not engaged any physical activity. Bone density for all women was measured before and after the training program.
Results: The results showed significant differences between pre-test and post-test of bone density in experimental group (P<0/05) While this difference was not significant for the control group (P>0/05).
Conclusion: According to our research, aerobic weight bearing water exercise (running, jumping, walking and aerobic exercise) for 12 weeks will increase the bone mineral density of the lumbar spine in 50 to 70 years old overweight women.

Keywords


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Volume 4, Issue 2 - Serial Number 2
July and August 2015
Pages 46-52
  • Receive Date: 20 July 2014
  • Revise Date: 28 September 2014
  • Accept Date: 12 December 2014
  • First Publish Date: 22 June 2015