(45) باب الاِعْتِدَالِ فِي السُّجُودِ وَوَضْعِ الْكَفَّيْنِ عَلَى الأَرْضِ وَرَفْعِ الْمِرْفَقَيْنِ عَنِ الْجَنْبَيْنِ وَرَفْعِ الْبَطْنِ عَنِ الْفَخِذَيْنِ فِي السُّجُودِ
Al-Bira' (b. 'Azib) reported:
The Messenger of Allah (ﷺ) said. When you prostrate yourself, place the palms of your hands on the ground and raise your elbows.
Reference: Sahih Muslim 494
In-book reference: Book 4, Hadith 266
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 999