Ali ibn Ibrahim from his father from Hammad ibn Isa from Hariz from Zurarah who said:
Abu Ja’far عليه السلام, peace be upon him, said: "When you intend to bow and to prostrate, raise your hands and then bow and prostrate."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 322