He saw the Prophet ﷺ, when he stood for prayer, raise his hands until they were level with his shoulders, with his thumbs aligned with his ears, then he said the takbir.
حدثني عثمان بن أبي شيبة حدثنا عبد الرحيم بن سليمان عن الحسن بن عبيد الله النخعي
أنه أبصر النبي ﷺ حين قام إلى الصلاة رفع يديه حتى كانتا بحيال منكبيه وحاذى بإبهاميه أذنيه ثم كبر