It wasnarrated that 'Aishah said:
"The Messenger of Allah (ﷺ) usedtobow with his hands on his knees and his upper arms held away fromhissides." (RU)
English reference (RU): Vol. 1, Book 5, Hadith 874 (RU)
Arabic reference (RU): Book 5, Hadith 923 (RU)