And with the same previous chain, it is narrated that Ibn Umar (may Allah be pleased with them) when he started the prayer, he would raise his hands up to his shoulders, and when he rose from bowing (ruku‘), he would also raise his hands up to his shoulders in the same manner.
Hadith Referenceمسند الإمام الشافعي / كتاب الصلاة / 195
Hadith Takhrijأخرجہ البخاری، الاذان، باب رفع الیدین اذا قام من الرکعتین: 739۔