| Clue | Source | Date |
|---|---|---|
| Long series of vertebrae (6,6) | ||
| Back part getting write-up in chiropractors' journal? | The Telegraph Cryptic | 04 Sep 2023 |
| Vertebral structure | The Times Concise | 04 Mar 2018 |
| Backbone | The Guardian Speedy | 14 Oct 2017 |
| It includes the sacrum | ||
| Backbone | ||
| Article on chiropractors? |