We have started physio now and working on her core to hope it improves. Was kind of hoping that a few years on her may improve it to. I’m hoping it doesn’t cause any problems for the future ?I think from those photos that it's likely that she has some degree of sway back. At that age I hope you could improve it a lot with physio targeted at improving her core strength. Do you have a competent physio who can help you?
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No she’s never been in foalIs she currently in work? In hand work and core strength building could make a noticeable difference I’d think. She looks a little ‘saggy’- has she been a brood mare?