Help needed on lunging

[bmw]

I have a 10 year old Anglo Arab gelding and no matter what I try I cannot get him moving forward on the lunge without having to chase him, shout and do all sorts of flicks and swooshes with the whip. By the time we've been lunging for 20 minutes I'm practically laying out flat in the middle of the menage and having an asthma attack and he's finally moving forward but not without my constant telling him to move. There HAS to be an easier way to get him moving forward and responsive to my telling him to do so. Any suggestions would be much appreciated.
P.S when I'm riding he moves beautifully forward without too much leg needing to be used.

 

[dianchi]

Go back to basics and teach him again from the start? Also tryusing your voice when riding so that your leg reinforces the word?
Might also be worth a lunge lesson, so you can get him going yourself!

Good luck

 

[bmw]

Thank you. Tried all this already, I'm literally pulling my hair out at the thought of having to lunge the way I am potentially for the next 10 years!