(130) باب يُبْدِي ضَبْعَيْهِ وَيُجَافِي فِي السُّجُودِ
Narrated `Abdullah bin Malik bin Buhaina:
Whenever the Prophet (ﷺ) used to offer prayer he used to keep arms away (from the body) so that the whiteness of his armpits was visible. (ID)
Reference (ID): Sahih al-Bukhari 807 (ID)
In-book reference (ID): Book 10, Hadith 202 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 12, Hadith 771 (ID)