حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا وَكِيعٌ، عَنِ الأَعْمَشِ، عَنْ أَبِي سُفْيَانَ، عَنْ جَابِرٍ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ ‏"‏ إِذَا سَجَدَ أَحَدُكُمْ فَلْيَعْتَدِلْ وَلاَ يَفْتَرِشْ ذِرَاعَيْهِ افْتِرَاشَ الْكَلْبِ ‏"‏ ‏.‏

It wasnarrated that Jabir said: The Messenger of Allah (PBUH) said:“Whenanyone of you prostrates let him be balanced in prostration, andnotspread his arms as a dog does.” Translation Not Available

Book Ref: Sunan Ibn Majah Book 5 Hadith 891
Web Ref:  Sunan Ibn Majah Vol 1 Book 5 Hadith 891