question #1 Sahih Muslim 390c, Book 4, Hadith 26 : What is the significance of raising hands to shoulder height during prayer in Islamic practice?

This hadith has been transmitted with the same chain of transmitters by al. Zuhri as narrated by Ibn Juraij (who) said. When the Messenger of Allah (ﷺ) stood up for prayer, he raised hands (to the height) apposite the shoulders and then recited takbir.