The Messenger of Allah ﷺ said, "Maintain a balanced posture in prostration, and let none of you spread out his forearms like a beast of prey."
حدثنا وكيع حدثنا شعبة عن قتادة
قال رسول الله ﷺ اعتدلوا في السجود ولا يبسط أحدكم ذراعيه انبساط السبع
Its chain of transmission is sahih, mentioned previously at 12088.