hello, my mother is 60 year old, 5 feet tall, weight- 58 kg, and she is suffering form knee pain sinse last two years,she is a working lady so has to go out for work daily, she walks a lot and while walking it pains. When she sits on the sofa for 10 minuts can not get up due to havy pain in knee. she went to few orthopedics but did not work,please suggest some treatment.