Ruku`: Internal Actions

Remember that between almost every change of position we say, "Allahu Akbar." This is to remind ourselves and to alert us that Allah is greater than anything—whatever our mind is distracted with and whatever worries plague us.

All About Hajj (1441/2020)

Every act of worship in Islam has a meaning, a purpose and a significance, and of great spiritual, moral, and physical benefits.
Hajj, one of the five main pillars of Islam, gives a specific and practical example of acts of worship in Islam.