What body part is used to push the body forward in a straight forward roll?

What body part is used to push the body forward in a straight forward roll?

جسم کو سیدھے فارورڈ رول میں آگے بڑھانے کے لئے جسم کا کون سا حصہ استعمال ہوتا ہے؟
Explanation

In a straight forward roll, the hands push against the ground to initiate and guide the roll.

This helps shift the body weight forward and maintain balance during the movement.