Over the past two decades,researchers have studied the breast motion and bra pressure with aims to improve the design of sports bra for reducing breast pain and prevent breast injuries during exercises.

By analysis of the development status quo of recreational sport brassieres and searching and summarizing the related literature both at home and abroad, the paper provided an overview of the concept of dressing comfort and its requirements and the impact of factors.

KAPF and the union of left-wing writers of China are the main organizations of Korean and Chinese modern proletariat literature movement.