thank u...I ve had bilateral meniscus surgery last july..since then cortiazone injection..and had treatment with synvisc one... I am still having severe leg pain,,,swelling..muscles cramping,,,sharp pains..not able to stand long periods, nor go up or downstairs using that leg..feels like water leaking inside from knee sometimes and then other times I can be sitting and it feels like I ve skinned my knee and of course I look ...nothing whats going on?