Contents
Hip and knee concept:
Background and overview
Osteoarthritis (OA) is the most common chronic
condition of the joints, and occurs most often in hips
and knees. Degenerative diseases of the joints have
become the primary cause of pain and reduced
healthrelated quality of life, especially in senior
population.
Knee injuries may be caused by e.g. abnormal twisting
or bending of the knee or falling on the knee, for
example during sports. Professional athletes who
sustain knee injuries often require surgical treatment to
restore the stability of the knee.
There is a clear consensus that controlled regular
daily physical activity and exercise training are major
contributing factors in prevention, treatment and
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