The facility may have personal services available like haircuts or manicures. That would be a nice treat for her. You could update her on your workout program and ask for her suggestions on certain moves you are learning now. You might see if you can have a meal with her in a dining room or bring in something from take out.
Depending on her living situation (home, apartment), she might need something done at home. When my brother was in the hospital for almost 4 weeks, one of his friends cut his grass. The neighbors took care of his cat. My mother made sure the mail was brought to him; he has his own business, so had to make sure things weren’t missed. I organized all the medical bills (endless). She might like the newspaper read to her.
The no-slip socks or slippers are a good idea, or one of the ‘grabber’ sticks to pick up dropped things or get stuff off shelves. There is also this thing that you put into your car door to help you get in and out. It is a wedge and I thought it was pretty cool.