´It was narrated from 'Abbas bin 'Abdul-Muttalib that:` He heard the Messenger of Allah (ﷺ) say: "When a person prostrates, seven parts of his body prostrate with him: his forehead, his two hands, his two knees and his two feet."
Hadith ReferenceSunan an-Nasa'i / The Book of The At-Tatbiq (Clasping One\'s Hands Together) / Hadith: 1100