[Machine] The Messenger of Allah ﷺ said, "Allah does not regard the prayer of a servant who does not straighten their back between the bowing and prostrating."
قَالَ رَسُولُ اللهِ ﷺ لَا يَنْظُرُ اللهُ ﷻ إِلَى صَلَاةِ عَبْدٍ لَا يُقِيمُ فِيهَا صُلْبَهُ بَيْنَ رُكُوعِهَا وَسُجُودِهَا