Knee hurts only at altitude?

[iceaxe23]

Ok so in the last couple weeks I tried to climb hood 3 times. Out of the two times My left knee starts to hurt really really bad at around 7500ft and I tried to go to 10k and was almost in tears my knee hurt that bad. I was in the Marines so I know pain vs discomfort, and this was pain.

 

I had to hobble limp down and it hurt really bad. The strange thing though at around 7000 the pain starts going away and I was plunge stepping Like ueli steck the last 1000 feet to Timberline with no pain.

 

I read about people flying in non pressurized planes having knee and elbow pain at high altitude but why am I having it at a relatively low one?

 

 

 

[Bronco]

Arthritis? That's what my Dr.'s favorite prognosis is.

 

Have you had any x-rays or an MRI done?

[DPS]

Maybe you have air in a bursa sac that is swelling at altitude just enough to impinge upon a nerve.

[iceaxe23]

once I get my insurance figured out from my employer I'm going to get it checked out ( I hate going to the doctor). I researched the bursa sac with air and it may be that or even Arthritis.

 

 

thanks all for the information