You are probably asking how to trot on a horse for beginners? Beginning to ride is difficult, as you learn your balance and teach your muscles how to move.
Trotting on a Lunge Line: a long rope that clips onto the horse’s bridle and is held by the instructor. Master the Posting Trot: you will have noticed that they rise up and down out of the saddle with each step.
Every rider goes through learning how to trot. Even those you see in the Olympics once struggled with mastering the posting trot. Remember to sit up tall, keep your heels down, and finally have fun!