Rukà « or Roukuÿ (, ) is the act of belt-low bowing in standardized prayers, where the backbone should be at rest.
In prayer, it refers to the bowing at the waist from standing (qiyÃÂm) on the completion of recitation (qiraþat) of a portion of the Qur'an in Islamic formal prayers (salah). There is a consensus on the obligatory nature of the rukà «Ã¿. The position of rukà «Ã¿ is established by bending over till the hands are on the knees and remaining in that position until one attains a relaxed state while glorifying God ( subḥÃÂna rabbiya l-ÿaáºÂëm, "Glory be to my Lord, the Most Magnificent!") thrice or more in odd number of times.
In Al-Ghazali's book Inner Dimensions of Islamic Worship, he wrote about the rukà «Ã¿ by saying: