Are we required to bow during the 'Aleinu prayer when reciting the line starting with ״ואנחנו כורעים״? If there are differing halakhic rulings or customs, which I assume there are, their sources ...
During the Shemone Esre, we bend our knees and then bow. I have observed two ways of doing this. One is to bend the knees, then to straighten the knees, and then to bow at the waist. The other is ...
According to the Gemara (Megillah 22b), and according to the RaMBa"M (Hil. Tefillah 5:13) (and apparently R' Avraham ben HaRaMBa"M was adamant), when we pray we are supposed to bow down ON our knees ...
I have seen many people bow slightly when striking their chests in recitation of the sixth b'racha of sh'moneh esrei. Is this a custom? Is there a source for it? Anyone whom I've witnessed doing ...