(157) باب أَعْضَاءِ السُّجُودِ
'Abbas b. 'Abd al-Muttalib said that he heard the Messenger of Allah (ﷺ) as saying:
when a servant (of Allah) prostrates himself, the seven limbs, i.e, his face, his palms, his knees and his feet prostrate along with him. (TR)
Reference (TR): Sunan Abi Dawud 891 (TR)
In-book reference (TR): Book 2, Hadith 501 (TR)
English translation (TR): Book 2, Hadith 890 (TR)