Time for some group think here.
10 y/o OTTB mare in regular but moderate dressage based work. Plenty of turnout, plenty of easy rides. Saddle fits well, is maintained every 6 mos. Dental work UTD.
In March she started going lame behind. Swapping leads and being light behind at the canter. Dragging at the trot. Not normal for this horse. Also noted reluctance to back out of trailer. I knew from past experience she needed her back injected (lower lumbar).
Vet appt in April. Vet reviewed hock films taken in August '20. Noted there was sclerosis of the proximal MT3 (suspensory) which was not present on PPE (2017).
Opted to inject hocks and back and see how it went. If not satisfactory, possible Osphos or ? Of note, her first back injections were August of 2019, but then an unrelated issue in October 2019 resulted in an Osphos injection. Vet and I wonder if that is what allowed the back injections to last as long as they have (from 8/2019 to 3/2021).
Okay, it’s been almost 8 weeks. She’s been pretty darn good until today. Today I noted possible discomfort in the RH, and when lunging to the left - left lead canter, looks like might be heading towards being ‘light behind’ again. She rode okay but I didn’t push the issue.
When I got off, I went to scratch her neck like I always do, and she flinched and jerked her head away. She does not want me touching the right side of her poll area. At all. I had the chiropractor out about 3 weeks ago and her poll was out, he adjusted it and she was decidedly not happy about that.
She twists her head when riding, and when lunging. She’s done this since the day I got her, and in thinking on it seems to only be when tracking left. I have seen her do this in the pasture also.
She is NPA behind, but I have an excellent farrier who is on top of it.
I’m at a loss where else to go with diagnostics and/or pain management. I’ve done ‘bute trials’ with no discernable difference. I do keep her on methocarbamol (Robaxin).
Stifle xrays were clean, altho she does have mild UFP, which really has disappeared as she’s gotten stronger.
Another oddity, when I get on (I use a 3-step mounting block), if I get on from the left side she can be reluctant to stand or get next to the block. If I mount from the right side, she’s fine.
So, COTH’ers… ideas? Thoughts? Experiences? Where would you go with this?