Abstract
Background: The exercise is a widely promoted way to improve and maintain health, and osteoarthritis (OA) is a major health problem also. The study was conducted to examine the impact of different types of leisure-time physical activity on the OA of the knee.
 Objective: The study was aimed to evaluate the association of recreational (habitual) physical activities with the osteoarthritis of the knee in the female.
 Methods: The case-control study was carried out on 174 female selected purposively with the age range of 40 – 70 years and above, from September 2016 to August 2017.Among them 87 were the cases with OA of the knee, and the same number of healthy females of the same age group were included as the control. Physical activity was assessed by self-reported regular exercise patterns. A structured interviewer-administered questionnaire was used to collect data.
 Results: Age, educational status, occupational status and BMI were not statistically significant (p>0.05) between the two groups. High level of physical activities (walking, running or jogging 20 or more miles per week) were associated with osteoarthritis of the knee, while low level of physical activities (<10miles/per week) and moderate level of physical activities (10-20 miles/per week) had no significant association with the osteoarthritis of the knee.
 Conclusion: Based on the findings, the study suggests not to continue a high level of physical activities rather than to continue with moderate and low level of physical activity in accordance to subject’s physical propensity, and endorse this note for the general health promotion.
 Bangladesh Med Res Counc Bull 2020; 46(2): 99-103
Highlights
The bio-mechanical influence of anthropometric changes and habitual physical activity levels are important linked contributory factors which may play a role in the prevalence and symptomatology of osteoarthritis in aging women.[1]
There is an increased risk of developing hip and knee OA with specific strenuous exercise and longterm physical activity were detected among general population, here wear and tear theory of joint degeneration related to repetitive joint loading.[6,7,8]
The total 174 female participants were selected by purposive sampling, and were divided into the two groups where 87 patients with osteoarthritis of the knee as the case and 87 without osteoarthritis of the knee were in the control group
Summary
The bio-mechanical influence of anthropometric changes and habitual physical activity levels are important linked contributory factors which may play a role in the prevalence and symptomatology of osteoarthritis in aging women.[1]. There is an increased risk of developing hip and knee OA with specific strenuous exercise and longterm physical activity were detected among general population, here wear and tear theory of joint degeneration related to repetitive joint loading.[6,7,8]. The moderate and vigorous physical activities including recreational running do not significantly increase the risk of OA.[9,10]. The study was conducted to examine the impact of different types of leisure-time physical activity on the OA of the knee
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