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.
Achilles Tendinitis. The Achilles tendon is a thick tissue that connects the calf muscles to the heel. It functions in conjunction with the muscles to lift the heel during walking and running. When the Achilles tendon gets overworked or overstretched, an irritation of the tendon can occur, known as Achilles tendinitis.