The Gemara in Berachos 12a says that we bow at Baruch and we straighten at Hashem. Nowadays the familiar practice is to bend the knee at Baruch, to bow at Atah, and to straighten at Hashem, as stated ...
At the beginning of Kedusha, the Chazzan says v'kara zeh el zeh v'amar. I've seen three types of chazzanim with regard to bowing left at the first zeh and right at the second: bow left and right at ...
Is it allowed for a Jew To kneel while praying just in Jerusalem or the Temple Mount or he can do it any place ?