Meaning bad writer is from c.1600. Sense of day book is from 1670s, and the word was applied early 19c. to rough drafts, scrap books, notebooks, and draft account books. Hence the police jargon sense arrest record sheet, recorded from 1887.
Achilles tendon tear or rupture. An Achilles tendon can partially tear or completely tear (rupture) . A tear usually occurs in the tendon about 1.5 in. (3.8 cm) to 2.5 in. (6.4 cm) above where it attaches to the heel bone. Some doctors believe that this area is most likely to tear or rupture because of a limited blood supply.
Pain Behind the Heel. If you have pain behind your heel, you may have inflamed the area where the Achilles tendon inserts into the heel bone (retrocalcaneal bursitis). People often get this by running too much or wearing shoes that rub or cut into the back of the heel.