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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
abudawud:621 – Zuhayr b. Ḥarb And Hārūn b. Maʿrūf al-Maʿná > Sufyān > Abān b. Taghlib > Abū Dāwud > Zuhayr > al-Kūfiyyūn Abān Waghayruh > al-Ḥakam > ʿAbd al-Raḥman b. Abū Laylá > al-Barāʾ

Al-Bara b.‘Azib said ; we used to pray along with the prophet ﷺ; none of us bowed his back until he saw that the prophet ﷺ bowed (his back).  

أبو داود:٦٢١ – حَدَّثَنَا زُهَيْرُ بْنُ حَرْبٍ وَهَارُونُ بْنُ مَعْرُوفٍ الْمَعْنَى قَالاَ حَدَّثَنَا سُفْيَانُ عَنْ أَبَانَ بْنِ تَغْلِبَ قَالَ أَبُو دَاوُدَ قَالَ زُهَيْرٌ حَدَّثَنَا الْكُوفِيُّونَ أَبَانُ وَغَيْرُهُ عَنِ الْحَكَمِ عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي لَيْلَى عَنِ الْبَرَاءِ قَالَ

كُنَّا نُصَلِّي مَعَ النَّبِيِّ ﷺ فَلاَ يَحْنُو أَحَدٌ مِنَّا ظَهْرَهُ حَتَّى يَرَى النَّبِيَّ ﷺ يَضَعُ