The World Federation One Stop Fiqh

Ruling 951

While one is engaged in saying obligatory dhikr in prayers, his body must be still, and, based on obligatory precaution, [the same applies] while he is engaged in saying recommended dhikr in prayers as well. If a person wants to move a little forwards or backwards or to move his body a little to the right or left, he must not say any dhikr [at the moment of moving].