مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1768
Musnad Bani Hashim (Hadeeth of al-'Abbas bin 'Abdul-Muttalib from the Prophet)
It was narrated that al-"Abbas bin ‘Abdul-Muttalib said: The Messenger of Allah (ﷺ) said: “When the son of Adam prostrates, seven parts prostrate with him: his face, his hands, his knees and his feet."
Musnad Ahmad 1769Sahih hadeeth]