Sahih al-Bukhari 3564

Arabic

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا بَكْرُ بْنُ مُضَرَ، عَنْ جَعْفَرِ بْنِ رَبِيعَةَ، عَنِ الأَعْرَجِ، عَنْ عَبْدِ اللَّهِ بْنِ مَالِكٍ ابْنِ بُحَيْنَةَ الأَسْدِيِّ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم إِذَا سَجَدَ فَرَّجَ بَيْنَ يَدَيْهِ حَتَّى نَرَى إِبْطَيْهِ‏.‏ قَالَ وَقَالَ ابْنُ بُكَيْرٍ حَدَّثَنَا بَكْرٌ بَيَاضَ إِبْطَيْهِ‏.‏

English translation

Narrated `Abdullah bin Malik bin Buhaina Al-Asdi:When the Prophet (ﷺ) prostrated, he used to keep his arms so widely apart that we used to see his armpits. (The sub-narrator, Ibn Bukair said, "The whiteness of his armpits)

Reference: Sahih al-Bukhari 3564, Book of Virtues and Merits of the Prophet (pbuh) and his Companions. English translation by Dr. Muhammad Muhsin Khan.