Help with knee injury

by Mike
(Philly)

About 1 year ago I injured my knee while playing basketball. I came down awkwardly from a jump and felt like I hyper extended it. The knee swelled and I was unable to straighten it for a few weeks. I now have regained full mobility within the knee and the swelling has subsided. However, every now and then when playing basketball, my knee will buckle after coming down from a jump. Also, when doing leg extensions at the gym, I can feel 1 or 2 clicks in the back of only this knee.

Again, I'm pain free, but I fear that there may be some underlying injury that has never healed. Your help is greatly appreciated with this matter.

-Mike