´It was narrated from ‘Abbas bin ‘Abdul-Muttalib that he heard the Prophet (ﷺ) say:` “When a person prostrates, seven parts of his body prostrate with him: His face, his two hands, his two knees, and his two feet.”
Hadith ReferenceSunan Ibn Majah / Establishing the Prayer and the Sunnah Regarding Them / Hadith: 885
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم