أَخْبَرَنَا قُتَيْبَةُ قَالَ حَدَّثَنَا الْفُضَيْلُ عَنْ الْأَعْمَشِ عَنْ عُمَارَةَ بْنِ عُمَيْرٍ عَنْ أَبِي مَعْمَرٍ عَنْ أَبِي مَسْعُودٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ لَا تُجْزِئُ صَلَاةٌ لَا يُقِيمُ الرَّجُلُ فِيهَا صُلْبَهُ فِي الرُّکُوعِ وَالسُّجُودِ
سنن نسائی · Hadith 1032
It was narrated that Abu Ma’sud said: “The Messenger of Allah صلی اللہ علیہ وآلہ وسلم said: ‘The prayer is not valid if a man does not bring his backbone to rest while bowing and prostrating.” (Sahih).
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020