Allah said: Have they not considered what things Allah has created? Their shadows incline to the right and to the left, prostrating to Allah, while they are humble.
And to Allah prostrates whatever is in the heavens and whatever is on the earth of creatures, and the angels [as well], and they are not arrogant. [16:49-50]
On the other hand, according to research at Binghamton University, State University of New York, the complex physical movements of the Islamic prayer ritual, the Salat, can reduce lower back pain if performed regularly and properly. 😉