It wasnarrated that 'Ali bin Abu Talib said:
"When the Prophet (ﷺ)stood up to offer a prescribed prayer, he said Allahu Akbar andraisedhis hands until they were parallel to his shoulders. When hewanted tobow he did likewise; when he raised his head from bowing hedidlikewise; and when he stood up after the two prostrations he didlikewise."* (TH)
English reference (TH): Vol. 1, Book 5, Hadith 864 (TH)
Arabic reference (TH): Book 5, Hadith 913 (TH)