I am a 21 year old female, 5 4, 135lbs. Recently, i have been experiencing some pain in my left knee. Every time I extend it, i feel a popping sensation on the outside of my knee cap. It does not hurt to put weight on it, for i experience pain only when i am mobile. This has been going on for the past couple of days, but it seems to be getting progressively worse. Its beginning to hurt to walk up stairs. I have not been doing any strenuous work lately to cause such a painful injury, but I have hyperextended my knee before, several years ago. Please help, as this pain is beginning to become excruciating. Thank you.
posted on
Fri, 14 Mar 2014

Fri, 28 Feb 2020
Answered on

Fri, 28 Feb 2020
Last reviewed on