صحيح مسلم
Sahih Muslim
كتاب الصلاة
The Book of Prayers
باب الاِعْتِدَالِ فِي السُّجُودِ وَوَضْعِ الْكَفَّيْنِ عَلَى الأَرْضِ وَرَفْعِ الْمِرْفَقَيْنِ عَنِ الْجَنْبَيْنِ وَرَفْعِ الْبَطْنِ عَنِ الْفَخِذَيْنِ فِي السُّجُودِ:
Chapter: Moderation In Prostration; Placing The Hands On The Ground, Keeping The Elbows Up, Away From The Sides, And Lifting The Belly Up Off The Thighs When Prostrating
Hadith 495
This hadith is listed as number 1105 in Maktaba Shamila
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ ، حَدَّثَنَا بَكْرٌ وَهُوَ ابْنُ مُضَرَ ، عَنْ جَعْفَرِ بْنِ رَبِيعَةَ ، عَنْ الأَعْرَجِ ، عَنْ عَبْدِ اللَّهِ بْنِ مَالِكٍ ابْنِ بُحَيْنَةَ ، " أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَانَ إِذَا صَلَّى ، فَرَّجَ بَيْنَ يَدَيْهِ ، حَتَّى يَبْدُوَ بَيَاضُ إِبْطَيْهِ " .
'Abdullah bin Malik ibn Bujainah reported: When the Prophet (ﷺ) prostrated, he spread out his arms so that the whiteness of his armpits was visible.
