(45) باب الاِعْتِدَالِ فِي السُّجُودِ وَوَضْعِ الْكَفَّيْنِ عَلَى الأَرْضِ وَرَفْعِ الْمِرْفَقَيْنِ عَنِ الْجَنْبَيْنِ وَرَفْعِ الْبَطْنِ عَنِ الْفَخِذَيْنِ فِي السُّجُودِ
Anas reported:
The Messenger of Allah (ﷺ) said: Observe moderation in prostration, and let none of you stretch out his forearms (on the ground) like a dog.
Reference: Sahih Muslim 493 a
In-book reference: Book 4, Hadith 264
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 997