Mark Stuart Senzig’s SI joint assessment in the “One Hour Mastering Hip Massage” video provides a comprehensive overview of how to assess and address issues related to the sacroiliac (SI) joint. The video covers various techniques and methods for evaluating the SI joint, identifying any dysfunctions or imbalances, and applying appropriate massage therapy to help alleviate pain and improve function. It is a valuable resource for massage therapists looking to enhance their skills in treating hip and SI joint issues effectively.