Alqama bin Waqqas reported: I asked 'A'isha how the Messenger of Allah (ﷺ) did in the two rak'ahs as he (observed them) sitting. She said: He would recite (the Qur'an) in them, and when he intended to bow, he would stand up and then bowed.
Hadith ReferenceSahih Muslim / The Book of Prayer - Travellers / Hadith: 731