"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."  

كَانَ النَّبِيُّ ﷺ إِذَا رَكَعَ اعْتَدَلَ فَلَمْ يَنْصِبْ رَأْسَهُ وَلَمْ يُقْنِعْهُ وَوَضَعَ يَدَيْهِ عَلَى رُكْبَتَيْهِ