上じょう体たい起おこし

noun

sit-up

Refers specifically to the physical exercise of raising the upper body from a lying position, often used in fitness tests or training contexts.

• 体たい育いくの授じゅ業ぎょうで上じょう体たい起おこしを30回かいやった。

  I did 30 sit-ups in PE class.

• 上じょう体たい起おこしは腹ふっ筋きんを鍛きたえるのに効こう果か的てきだ。

  Sit-ups are effective for strengthening abdominal muscles.