DD’s 12 year old mare has gone suddenly very lame on her right hind. She was absolutely fine last Saturday afternoon but that evening we noticed she had a very minor scrape along the inside of her right hind - she didn’t seem bothered by it and as she’d literally just taken the hair off we didn’t think much of it. However the next day as soon as DD picked up trot she was obviously very lame. The vet came out, did flexions (very very lame after whole leg flexion but not bothered by fetlock flexion), no signs of abscess, no heat, no swelling, she’s fine with the leg being handled just doing this really odd gait on that leg in trot. The vet thought she’d probably just tweaked it during a field hooley and to give her a couple of weeks off then reassess. However she’s no better at all after a week and dd is beside herself with worry - she’s booked in to see the specialists on Thursday but I was wondering if anyone had had something similar so that we could try to narrow down what to investigate. For background dmare is an eventer and occasional showjumper - since coming back from her winter holiday she’s been going brilliantly - she did her first event this season last month and felt fabulous (good dressage and double clear) and they were supposed to be stepping up to intermediate this weekend.