When the Messenger of Allah ﷺ began the prayer, he would raise his hands to the level of his shoulders, and he would do the same when he bowed and when he rose from bowing.
حدثنا عفان حدثنا حماد بن سلمة عن أيوب عن نافع
أن رسول الله ﷺ كان إذا دخل الصلاة رفع يديه حذو منكبيه وإذا ركع وإذا رفع من الركوع
Its isnad is sahih, and it is an abridgment of 5279.