I am 25 years old unmarried female. I didn't suffer from any injury. But I feel pinching in front and sides of knee when I walk after sitting bending legs or crossed legs. Sometimes I hear cracking sound from knees when bend to certain angle. And my hip also hurt when I sit little backward and sometimes I hear popped sound from hip bone while exercising. What is this please help me what should I do l. This condition is from 3 weeks it was worse at the start but it is moderate now I feel relieve while sitting legs elevated. If possible tell me any home remedies.