I think I just responded to another post. I'll cut and paste....

" I have problems with my left knee. It gets stiff and locks up. Other times it gives out and I fall. The stretches I learned at PT help somewhat when it's stiff. I think my knee is MS related because of the issues I have are mostly in my left leg.

my background is orthopedics. the short answer to your question about PT is "yes". the long answer is go see an orthopedic specialist to make sure what it is. it could be MS related, but probably not (based on your symptioms.

good luck

I did over the summer. My knees and legs were so stiff I couldn't bend hardly at all. It felt like they were two popsicle sticks. I believe it was spasticity. I went and had steroids because I believe I was in a relapse. The steriods helped and I was back to normal(legs and Knees) very quickly. I know it really effected my walking. I haven't had my knees give out recently. I did as a child. Probably not ms related. Who knows though. I hope you get better soon. Maybe PT will help or yoga. It depends. Mine was beyond that, I think. Anyhow, good luck, Holly

I have had trouble with both knees but different problems in each. One was stiff and the other was too loose and would go out on me -- still have trouble with the second one when the heels on my shoes are too high. I found PT to help tremendously -- though it's good to know your triggers (ie, tall shoes) to know what to avoid. The exercises and tricks they taught me help a lot when I make sure I'm doing them.

I struggle with my knees freezing up, hurting and cramping all the time. I take Baclopen and Xanax to deal with this. Its helps some what, but the best thing is to stay off of them.
Good Luck!

I have this problem. I have described it as "double-clutching". Mine go from jerking like they're gonna give out to basically, locking up on me. Sometimes when I stand up, I have what I have described as "shockwaves" that go from my knees up my back. Looks kind of crazy to everyone, but I have accepted this as part of my MS. I haven't medicated for this, but have inwardly wondered if this is, indeed, the often mentioned "spasticity" and if baclofen will help. I agree with Margo about staying off of them, but this is not always the answer. I've been wondering if pt would help this as well.

YES MY KNEE GETS STIFF AND IT DOES GIVE OUT .I CAN'T BEND MY KNEE.MY WHOLE PROBLEM IS THE KNEE AND LEG.[GAIT ]WALKING.THATS MY ONLY MS PROBLEM MY LEFT LEG/KNEE.I DON'T KNOW IF THE PT HELPS I WENT A FEW MOS BACK NO IMPROVEMENT BUT,I'M STARTING A NEW PT THIS MONTH I WILL KEEP YOU POSTED

CORRECTION I MEANT MY RIGHT LEG LEFT IS FINE.I KNOW MY LEFT FROM MY RIGHT JUST A TYPO LOL