What is the fine-grained topic of the following text: Whether she is examining how a depressed chest can make us feel psychologically depressed, how body language is used (or abused) to deceive others, or how loosening our pelvis can help us break a life long cycle of self-destructive behavior, Plonka is always good-humored, caring, and insightful, guiding you to a deeper awareness of how changing your posture has the potential to transform your whole life. Only return the topic.
The impact of posture on psychological wellbeing and behavior transformation.