Trying to answer some questions…
The left hock has been x-rayed and ultrasounded. Findings on x-ray were arthritic changes consistent with age (and similar to right hock). US of curb and ligaments/tendons all looked good despite the obvious curb.
I have not done a bute trial but did do a course of previcox with no change. He is on MSM/glucosamine/HA. I did also try BL solution (formerly buteless) in the past.
Hocks were injected twice before vet couldn’t get the needle in any more. Assuming they’re fused. The twisting motion has subsided.
The curb was also injected twice. First time it was drained (lots of effusion) them injected with cortisone. 2nd time I think was HA and cortisone. Some improvement but not complete.
I tried to grab some quick videos. Sorry for lack of quality but he doesn’t longe well without the whip and I am way too uncoordinated to hold line, camera and whip. I also get dizzy when trying to track him in a circle watching on my phone screen, so it’s short. Definitely felt off when I rode him. I also took some free longe video yesterday. I had put him up in his stall due to a winter storm, so he had been wearing his BOT hock boots just FYI.
https://m.youtube.com/watch?v=lZiKn_LnTVc
https://m.youtube.com/watch?v=z4iP8uugqU0
Thank you very much for all the thoughts and suggestions.