When the Messenger of Allah ﷺ prayed he would raise his hands-when he said the Takbir- until they were parallel to his ears, and when he wanted to bow and when he raised his head from bowing.
عَنْ مَالِكِ بْنِ الْحُوَيْرِثِ وَكَانَ مِنْ أَصْحَابِ النَّبِيِّ ﷺ أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ إِذَا صَلَّى رَفَعَ يَدَيْهِ حِينَ يُكَبِّرُ حِيَالَ أُذُنَيْهِ وَإِذَا أَرَادَ أَنْ يَرْكَعَ وَإِذَا رَفَعَ رَأْسَهُ مِنَ الرُّكُوعِ