Hadith 648
It is narrated from Sayyiduna Abdullah bin Malik Buhaina (may Allah be pleased with him) that when the Messenger of Allah (peace and blessings be upon him) performed prayer, he would spread his hands (so much) that his armpits would become visible.
Hadith 649
It is narrated from Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) that when the Noble Prophet (peace and blessings of Allah be upon him) performed prostration, he would keep his arms away from his sides to such an extent that the whiteness of his armpits became visible.
Hadith 650
Hazrat Adi bin Umairah al-Hadrami narrates that when the Prophet Muhammad (peace be upon him) performed prostration, the whiteness of his armpits would be visible. In the narration of the Imam’s teacher, Muhammad bin Abdul A’la San’ani, these words are mentioned: the whiteness of his (peace be upon him) armpit would be seen.