مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1779
Musnad Bani Hashim (Hadeeth of al-'Abbas bin 'Abdul-Muttalib from the Prophet)
It was narrated from al-"Abbas bin ‘Abdul-Muttalib that he heard the Messenger of Allah (ﷺ) say: “When a person prostrates, seven parts prostrate with him: his face, his hands, his knees and his feet.”
Musnad Ahmad 1780Sahih (Darussalam) [ Muslim (491)]