Osteoarthritis risk factors: Difference between revisions

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==== Physical activity ====
==== Physical activity ====
Having an active physical activities and sports such as Karate
Doing heavy sports such as Karate, kung fu, and gymnastic could increase the risk of Knee injury.


In china women practicing gymnastic or kung fu (traditional
==== Trauma and injury to Joint ====
 
Articular cartilage bears pressures from daily physical activities. Joints injuries and trauma the cartilage can influence their flexibility, eliminate cellular system and consequently decrease the subchondral loading capablity.
Chinese martial arts) regularly were at the risk of Knee
 
injury.25 Schematic diagram of risk factors in osteoarthritis is
 
shown in Fig. 1.
 
==== Joint injury and trauma ====
Articular cartilage tolerates loading from daily physical activities,
 
in joints injuries and trauma the cartilage loses its
 
flexibility, kills the cells and decrease the loading of the subchondral
 
bone.22


==== Obesity ====
==== Obesity ====
People with an elevated body mass index (BMI) as a measure
Higher body mass index (BMI) shows to have a positive association with knee OA.
 
of relative weight for obesity, has a positive association between
 
obesity and knee OA results in substantial overloading
 
and damage to the knee joint.23


==== Occupation ====
==== Occupation ====
The lifting of heavy loads was found mainly in farmers, fishermen,
Occupation facing with heavy loads and having stress activities have the strong association between knee injury and osteoarthritis.
 
construction site workers, and general laborers.
 
Walking up stairs was experienced mainly by general laborers;
 
all of these stress activities causes the strong association between
 
knee injury and osteoarthritis.24


*Aging  
*Aging  

Revision as of 06:22, 29 March 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Risk Factors

Osteoarthritis is a multifactorial disease and the interactions between systemic and local factors play important role in development and prognosis of OA.

Systemic risk factors for Osteoarthritis

Gender

Previous studies reported that the frequency of osteoarthritis in women and men are 68% and 58% respectively. And it has been reported that women have a greater levels of pain and disability

Age

Age plays an important roll in development of osteoarthritis. Higher age leads to decreasing in the tensile property of cartilage in articular cartilage in accumulation of glycation consequently it can cause mechanical failure

Genetics

Its been showed that genetic factors play important roles in developing of osteoarthritis. genetic factors are responsible for osteoarthritis in nearly 70%of cases. For example, osteocalcin, as a marker of bone turnover, decreases in women after their menopause which consequently women after menopause are more susceptible to knee arthritis.

Diet

Using unrefined carbohydrates and Junk foods in daily diet increase the chance of chronic diseases. Meanwhile, chondrocytes as an important and powerful origin of reactive oxygen species (ROC). chondrocytes can damage cartilage collagen and synovial fluid hyaluronate. Meanwhile, micronutrients antioxidants, by providing defense against tissue injuries, are helpful to protect against osteoarthritis.

Local risk factors for Osteoarthritis

Physical activity

Doing heavy sports such as Karate, kung fu, and gymnastic could increase the risk of Knee injury.

Trauma and injury to Joint

Articular cartilage bears pressures from daily physical activities. Joints injuries and trauma the cartilage can influence their flexibility, eliminate cellular system and consequently decrease the subchondral loading capablity.

Obesity

Higher body mass index (BMI) shows to have a positive association with knee OA.

Occupation

Occupation facing with heavy loads and having stress activities have the strong association between knee injury and osteoarthritis.

References

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