A twirling head means aggression. … If the horse bows to you with his head going down to the ground low and staying down with eyes blinking, lips licking, and ears moving, or if he bows to you and then his head comes back up level-headed, he accepts your leadership out of trust and respect.
Yes, they can. They just have to use their front legs.
If your horse is target trained, stand with your back to your horse, hold the target over one shoulder, and move it down towards the opposite hip. Encourage the horse to step forward and reach downwards over your shoulder to touch the target.
If you’re interested in training a horse to be ridden, there are some steps to be aware of in order to make the process easier: