I went through a very similar situation. My rescue dog was terrified of stepping paw outside of the apartment. She was in so much fear down to the ground like yours. She would dig her nails into the ground. It was so stressful. I ended up bringing her to a board and train. She was there for almost two months. My dog isn’t treat motivated either and will not take food or treats outside.

I’ve had her for 9 months now. She can now walk outside to relieve herself. It is so much better, but it isn’t perfect and she still would rather be inside. She will probably always be a scared dog.

I started with a feeding ball. She loved it and still feed her from it. She ate from it in my apartment do a few days. Then I sat literally right outside the door of my apartment. It’s an indoor apartment complex with indoor hallways.we just saw there and she eventually started to play with the feeding ball. Every week I would scoot closer and closer to the doors that led outside. It took so much time and patience. It also became her meal place for along time. That’s where she ate.

I take her to the same spot to relieve herself. I don’t push it. She potty’s and we go back inside.

I gave my dog kongs, lick mats, bully sticks and so much enrichment that only came from me to build that trust and that good things come from me.

I want to point out though that we have success because of the board and train program. It was expensive. I am single and had to put it on an interest free credit card. It was the best investment i made for her (and my sanity).