Mack is almost eight and 1/2 years old. Five years ago we discovered his bottom 2 vertabra were fused and the 3rd one was in the process. Now his spine is a fused mess. About a year ago Mack started having trouble jumping up on the couch--sometimes he wouldn't make it and fall backwards. He didn't want us to lift him or assist him in any way. I put a Rubbermaid stool by the couch for him and he actually used it for a while. Lately I've seen him crouch way down, get a push off his front legs and a little off his back legs and make it up on the couch and/or recliner with no problem. I am very pleased that he has figured out how to use the power in his front legs to compensate for the lack of strength in his hindquarters.

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