Replying to Best advice to staying on long hand rails? need help?

Ok so last year i didnt ski at all due to tearing my acl. So two years ago i could stay on for about about 10 feet but no more realy. This year our season started realy late so i havnt got as much skiing in as i ushaly would have but i cant stay on handrails practicly at all and i dont know why. Dose anyone have any advise on anything i should try. Im gona try n get a vid of it so people can beter help me.

thanks