A History of Short Words

From the New York Times Crossword Puzzle

ABS

Sun, 10 Dec '23
Obliques, e.g.
Sat, 28 Oct '23
Twists are good for them
Tue, 1 Aug '23
Crunch muscles, for short
Fri, 21 Jul '23
Core group
Sun, 4 Jun '23
Core group
Fri, 2 Jun '23
Targets for crunches, informally
Mon, 29 May '23
Six-pack units, in brief
Tue, 16 May '23
"Ripped" muscles
Fri, 5 May '23
Muscles that stretch during pregnancy
Sun, 12 Mar '23
"Washboard" features
Sun, 19 Feb '23
Muscles targeted by planks
Tue, 14 Feb '23
Plank targets
Wed, 11 Jan '23
Muscles tightened by planking, in brief
Thu, 5 Jan '23
Pilates target
Mon, 19 Dec '22
"Washboard" muscles, informally
Fri, 14 Oct '22
They get harder the more you work out
Sat, 10 Sep '22
Midsection, in brief
Mon, 1 Aug '22
Situps tighten them
Wed, 22 Jun '22
They can be sculpted and chiseled
Thu, 16 Jun '22
Core assets?
Tue, 7 Jun '22
Six-pack contents
Sun, 13 Feb '22
Plank targets
Thu, 28 Oct '21
Core group
Wed, 1 Sep '21
Midsection section, informally
Thu, 19 Aug '21
They're used in a crunch
Tue, 3 Aug '21
Body parts sometimes compared to steel
Wed, 26 May '21
Prominent features on firefighter calendars
Sat, 1 May '21
Focus of middle management?
Sat, 17 Apr '21
Targets of leg raises, informally
Thu, 14 Jan '21
Core features