Narrator:Anas ibn Mālik
وَعَنْ أَنَسٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «اعْتَدِلُوا فِي السُّجُودِ وَلَا يَبْسُطْ أَحَدُكُمْ ذِرَاعَيْهِ انْبِسَاطَ الْكَلْبِ»
Anas reported God’s Messenger as saying, “Adopt a moderate position when prostrating yourselves, and see that none of you stretches out his forearms [on the ground] like a dog.” (Bukhari and Muslim.)
Reported by Al-Bukhari (No. 822), Muslim (No. 493a, 493b), Abu Dawud (No. 897), At-Tirmidhi (No. 276), An-Nasa’i (No. 1028, 1110), Ibn Majah (No. 892), Ahmad (No. 11623, 11706, 12347, 12375, 12522, 12755, 13390, 13462) and Ad-Darimi (No. 1288). Cited in Mishkat al-Masabih (No. 888).