Why do Muslims prostrate when they pray?

In Islam, prostrations (sajadat, plural of sujud or sajda) are used to praise, glorify and humble oneself in front of Allah (The God), and are a vital part of the five obligatory prayers performed daily; this is deemed obligatory for every Muslim whether the prayers are being performed individually or in congregation.

Explanation:

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )