´It was narrated that Abu Humaid As-Sa'idi said:` "When the Prophet (ﷺ) bowed he was balanced, he did not make his head higher or lower than his back, and he put his hands on his knees."
Hadith ReferenceSunan an-Nasa'i / The Book of The At-Tatbiq (Clasping One\'s Hands Together) / Hadith: 1040
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح، صحيح بخاري