not using back legs

Hallo, i have 2,5 years old guinea pig. she is recovering from bloat. She was on the verge of death. Now she looks pretty normal because vet rescue her, but she cant fully use her back legs. in the past she cant stand on legs, or she was hopping, and she couldnt "walk" on whatever distance. Now...

We purchased a baby guinea pig today. The owner claimed he was eight weeks, but judging by his size I thought otherwise. Shortly after bringing him home, we noticed he was dragging his back legs. I Googled it, but there didn't seem to be many cases with young guinea pigs. I made an appointment...