The horse needs to walk.
you make it trot
Have the horse trot for you!
At least walking.
make it walk or trot
Trot. When a horse trots, its head stays level unless it has a limp in the front end. When the horse has a limp in the back end one of its hind quarters drops. If it is sound then they are level. When a horse is galloping it has a 'leading leg' - its two sides do not have the same movements so it is difficult to spot a limp.
I think you make it gallop, trot, or jump.
Make the horse trot by jogging alongside it while leading it. If the horse is lame, it will look as though it is limping. You can tell where it comes from by watching the horse's feet and head. If, when he puts one front foot down and his head goes up, it means he is lame in that foot. If the same happens with a hind foot and his head goes down, he is lame in that hind foot.
If you think a horse is lame, you should trot it on a lead rope and jog with it to see if it is limping. If you still think the horse is lame, contact a vet.
Abscesses impede the horse's ability to walk normally. Abscesses are very painful, so horses will limp and will not run when they are in pain. However if the horse is given bute (a pain killer), the horse won't limp as much.
The first signs you might see is if a horse is holding its front foot off the ground (resting a back leg is normal however) or limping noticeably when it walks. You should call the vet. He will probably ask you to lead the horse at a trot away from him and then towards him. The horse's head will nod when the good leg hits the ground and jerk up when the bad leg comes down. If the limp is in a hindleg, the hindquarter of the other leg will also drop when that foot hits the ground.
If you know the horse has a limp call the equine vet immediatly, if you dont know then i think your horse will be slower, rufuses more and you may be able too feel a slight fall as it puts its bad leg down* *please dont not take my word i am not trained or whatever im just trying to help, if your desperate too know ask your local equine vet
To notice a limp, observe irregular movements or difference in weight bearing on one leg compared to the other. To determine the source, conduct a physical exam looking for signs of pain, swelling, or injury in the limb or joints. X-rays or other imaging tests may be needed for a more detailed assessment.