the Prophet said: "When one of you prostrates, then let him be balanced, and let him not lay his forearms down like the lying of the dog."
Jami` at-Tirmidhi Book 2, Hadith 127
← Previous Hadith "I was with my father at the plains of Namirah. I passed by a mount and saw Allah's Messenger standing in Salat." He said: "I was looking at the earthiness of his armpits when he prostrated." : "Whiteness."

Jami` at-Tirmidhi Book 2, Hadith 126 Next Hadith → Allah's Messenger said: "Be balanced in the prostration, and let one of you not spread his forearms (on the ground) in the Salat like the spreading of the dog."

Jami` at-Tirmidhi Book 2, Hadith 128