It wasnarrated that Malik bin Huwairith said that when the MessengerofAllah (ﷺ) said Allahu Akbar, he would raise his hands until theywere close to his ears; when he bowed in Ruku' he did likewise, andwhen he raised his head from Ruku' he did likewise. (ES)
English reference (ES): Vol. 1, Book 5, Hadith 859 (ES)
Arabic reference (ES): Book 5, Hadith 908 (ES)