Sunan Abi Dawud 901
سنن أبي داود#901Da'ifحَدَّثَنَا عَبْدُ الْمَلِكِ بْنُ شُعَيْبِ بْنِ اللَّيْثِ، حَدَّثَنَا ابْنُ وَهْبٍ، حَدَّثَنَا اللَّيْثُ، عَنْ دَرَّاجٍ، عَنِ ابْنِ حُجَيْرَةَ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " إِذَا سَجَدَ أَحَدُكُمْ فَلاَ يَفْتَرِشْ يَدَيْهِ افْتِرَاشَ الْكَلْبِ وَلْيَضُمَّ فَخِذَيْهِ " .
Abu Hurairah reported the Prophet(ﷺ) as saying:when one of you prostrates himself, he should not stretch out his forearms( on the ground) like a dog and he should join both of his thighs
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:
In-book reference: 2:511