Narrator:Jābir ibn ‘Abdullāh
حَدَّثَنَا هَنَّادٌ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنِ الأَعْمَشِ، عَنْ أَبِي سُفْيَانَ، عَنْ جَابِرٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ
" إِذَا سَجَدَ أَحَدُكُمْ فَلْيَعْتَدِلْ وَلاَ يَفْتَرِشْ ذِرَاعَيْهِ افْتِرَاشَ الْكَلْبِ "
Jabir narrated that :
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."
Reported by At-Tirmidhi (No. 275), Ibn Majah (No. 891) and Ahmad (No. 13758, 13865, 14645).