Help fpr ADHD horse in the outdoor ring

Teach your horse to trot over poles. Start with one pole on the ground. Trot your horse toward it and keep him going straight over it. He may balk at first or lift his legs higher than necessary; just encourage him gently if he tries to stop. Incorporate this into his regular exercise until he's used to it and will trot over one pole without hesitation. Ride this by posting; don't use jumping position yet.

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  Step 2
  Add several more poles once your horse is used to one pole. Lay several poles on the ground horizontal to each other, about 4.5 feet apart. Trot your horse straight through the line of poles so he has to step over each of them. If he stumbles or clips any of the poles with his hooves, then the poles are either too close together or too far apart for his stride. Adjust the distance until your horse can go over them easily. Again, you should post through these; don't get into jumping position. Include this in the horse's daily exercise until he's used to it.
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  Step 3
  Add a small cross rail at the end of the poles. About 10 feet past the last ground pole, make a cross rail by putting two rails with one end on the lowest setting of a jump post and the other end on the ground, so they form an X. The center of the X should be 18 inches high. Depending on the size of your horse, he may be able to trot over it without actually jumping. However, you should ride this in two-point, or jumping, position. Get in two-point before your horse trots over the first pole; that way he won't notice as much of a difference between the poles and the fence. Include this in his daily exercise until he seems comfortable with it.
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  Step 4
  Gradually make the cross rail larger as your horse gets used to it. Continue riding him over the fence every day. As you raise the fences, he'll eventually start jumping them. You can change the cross rail into a vertical once he's comfortable jumping the cross rail. A vertical jump will need to be moved farther away from the poles so your horse can take a longer stride into it, around 16 feet for a trot or 20 feet for a canter.
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  Step 5
  Try a course. Now that your horse is used to jumping, you can try him over two fences in a row. Remove the ground poles and replace them with a cross rail to start and a vertical 16 feet from the cross rail (for a trot approach) or 20 feet from the cross rail (for a canter approach).

I am wondering,do you use ,different tack or leg wraps,etc, when jumping outdoors than with indoors?do you think he may anticipate trail rides when going outdoors?can he see other horses?i had a horse who had plenty of miles jumping indoors and out,and outdoors he could see the others in their pasture and he couldnt focus.also,going up and down hills would get him going.If you do use different equipment outside,(im sure you thought of this having trained for so long..)maybe the fit is iritating to him?there could always be something in a horses past that you dont know about that shapes his personality and behavior.I would suggest just starting over with jumping outside.pretend he knows nothing and start with the ground poles.Im sure you know repitition is key to calming down and slowing down.it could just be a matter of age as well.good luck!