**Real horses are prey and did not evolve to be treated by humans and will re-injure themselves even when treated**, however Centaurs being intelligent beings with a heavy-muscled torso will be able to use [simple axillary crutches](https://en.wikipedia.org/wiki/Crutch#Underarm_or_axilla) when injured at the forelegs during the day to shuffle around:

[![enter image description here][1]][1]

But they will have to use [slings](https://www.paulickreport.com/horse-care-category/hoof-care-category/surgery-sling-help-rescued-donkey-beat-laminitis/) to cure their hind legs or when resting at night for both fore and hind legs:

[![enter image description here][2]][2]

(example from a donkey taken as donkeys are much smarter than horses and are more likely to survive this process)


  [1]: https://i.sstatic.net/WsAUH.jpg
  [2]: https://i.sstatic.net/hciFQ.jpg