“…The concept of Yin and Yang embodies a philosophical perspective of all existence, that heaven, earth, creatures, and forces of nature are all determined by these contrasting but interconnected and interdependent forces that are constantly in motion [1]. Together they are considered to embody Chi , the universal energy [2]. Yin, the female force, is thought to be negative, evil, and passive, while Yang, the male force, is considered to be superior, positive, and active [3,4].…”