It is narrated from Sayyiduna Malik bin al-Huwayrith (may Allah be pleased with him) that when the Prophet (peace and blessings be upon him) said the takbir upon entering the prayer, he would raise both his hands until they were level with his ears, and he would do the same when he bowed and when he raised his head from bowing. The wording (of all the narrators) is the same.
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 16674