The reasons why cats’ backs twitch:
1. Cats have no other symptoms. They only twitch their backs when stretching, being petted, excreting or attacking. .

2. The cat’s back, especially the dorsal roots, is rich in neurons, and sometimes the twitching is caused by normal muscle shaking.

3. If it is a stress reaction, in addition to convulsions, it may also be accompanied by other abnormal reactions such as hunger strikes, vomiting, and diarrhea.

4. If it is a disease, it may be itching caused by skin diseases such as feline ringworm, or it may be convulsions caused by severe feline plague.

5. Cat’s back The cause of convulsions is that the cat's back is twitching, which may be caused by calcium deficiency.