I have tried and tried to get my Saint to use a ramp for years but he hates them.  He either runs around it or just stares at it then runs away.  I read another person said it may be the material that is on the walkway of the ramp.  The other ramps I have purchased before have a sort of sandpaper on the walkway....so I thought I would try this ramp that has a rubber material on the walkway.  Sure enough!!!...HE LIKES IT!!  He has NEVER gone up or down a ramp.....and with this one we had very little trouble getting him used to it.  I did also follow the advice of another purchaser that said to "work with the dog with the ramp on the ground then elevate it a bit and so on".....so I did this....but only a couple of times.  My Saint had no issue going up the ramp in my truck.  I would NOT BELIEVE IT!!  He has been diagnosed with the first stages of hip dysplasia and does not like stairs so FINALLY a RAMP that works!!!  The last ramp I purchased also was flimsy and the sandpaper tore off the first time my other Saint ran up it.