Sunan Ibn Majah 892
سنن ابن ماجه#892Sahihحَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ الْجَهْضَمِيُّ، حَدَّثَنَا عَبْدُ الأَعْلَى، حَدَّثَنَا سَعِيدٌ، عَنْ قَتَادَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّ النَّبِيَّ ـ صلى الله عليه وسلم ـ قَالَ " اعْتَدِلُوا فِي السُّجُودِ، وَلاَ يَسْجُدْ أَحَدُكُمْ وَهُوَ بَاسِطٌ ذِرَاعَيْهِ كَالْكَلْبِ " .
It was narrated from Anas bin Malik that the Prophet (ﷺ) said:“Be balanced in prostration; none of you should prostrate with his arms spread out like a dog.”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 5:90