What is the fine-grained topic of the following text: Sharing his story along with those of several other former amateur collegiate athletes, he launches into a broad consideration of the imbalance of power between student athletes and the NCAA, theoretically charged with looking out for their best interests, but in many ways exploiting them or otherwise hampering their ability to make a sustainable living, receive an adequate education, plan for a future after collegiate athletics, and cope with health concerns resulting from their amateur careers. Only return the topic.
The exploitation and imbalance of power between student athletes and the NCAA.