A History of Short Words

From the New York Times Crossword Puzzle

ACL

Sat, 9 Oct '21
Knee part, for short
Fri, 8 Oct '21
___ tear (sports injury)
Sat, 18 Sep '21
Patella neighbor, in brief
Mon, 14 Jun '21
Common injury locale for an athlete, in brief
Sun, 21 Mar '21
Tissue that's prone to tearing, for short