From Wiktionary, the free dictionary
Unadapted borrowing from English sit-up.
Sit-up m (strong, genitive Sit-ups, plural Sit-ups)
- sit-up
- Synonym: Rumpfbeuge
Declension of Sit-up [masculine, strong]
- “Sit-up” in Duden online
- “Sit-ups” in Uni Leipzig: Wortschatz-Lexikon