Osteoarthritis (OA) is a long-term chronic disease that is recongnized by the deterioration of cartilage in joints which later on causes bones to rub together, resulting in stiffness, pain, and impaired movement. Generally, OA affects the joints in the knees, feet, hands, and spine and is also known to happen in shoulder and hip joints. Although, OA is related to ageing, it is also link to a variety of modifiable and nonmodifiable risk factors, including obesity, lack of exercise, genetic predisposition, bone density, occupational injury, trauma, and gender.
Osteoarthritis is the number one cause for disability in the U.S for older
adults. Around 10% to 15% of the population in the age of 60 years or older have some degree of OA, this being higher in females. According to the United Nations by 2050, 130 million people will suffer from OA worldwide, of whom 40 million will be severely disabled by the disease, mainly because high increase in obesity rate.