So, first workout out of the way and it went well.
Biceps curls/ leg curls (everything 5 reps/ 3 sets)
Triceps pushdowns/lying hamstring curls
Pec Deck
Seated Lat Pulls
This took about half an hour. She was sweating up a storm and wanted to go longer, but I advised against it as I know she is already going to be incredibly sore.
No it's not. My Mum is literally crippled with osteo-arthritis, not only would weight training be dangerous, it is virtually impossible for her without experiencing intense pain. Hope this helps
Sorry to hear that about your mom, but her limitations aren't simply a result of age. My mom has some issues to deal with, too, but light-resistance weight training is not dangerous or painful for her.