Confusing Lameness

[Dolphin]

I am currently awaiting a call back from my vet - but in the meantime - has anyone come across anything like this before as I am completely baffled.

Horse walks/trots/canter/gallops/jumps happily and completely sound. Trots up on soft and hard ground completely sound (in straight lines). Lunge tests on sand (on a circle obviously) completely sound.
Lunge tests on concrete - very lame

Any ideas gratefully received!

 

[alisonpook]

My first thought would be foot.

 

[josephinebutter2]

Lunge tests on concrete show up mild lameness more severely, or if your horse is lame on both front legs it may only show as a shortening of stride in other situations.

Has your horse become more reluctant to go forwards, or tend to jump a fence and hesitate in the air b4 landing? If so, may be early signs of a problem.

If it is an older horse, may just be early signs of arthritis or one of the dejenerative bone diseases. I would be less worried if your horse is over 14 as this is usually a very early sign of something if they are completely sound elsewhere.

Glad to hear you are getting the vet out!