´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 Referenceسنن نسائي / كتاب التطبيق / 1040
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح، صحيح بخاري