Textbook of Eponymous Physical Signs & Markers in Muscular Skeletal Medicine Vol 2 (M–Z) was written for a medical environment in which bedside examination is increasingly replaced by algorithms and imaging, yet continues to determine diagnostic credibility, professional accountability, and legal defensibility. In modern neurology, orthopaedics, and rheumatology, most audit failures, peer reviews, and medico-legal disputes do not arise from lack of technology, but from missed, misinterpreted, or poorly documented physical signs that later become central to questions of competence and care. This book exists because in courts, regulatory reviews, and expert testimony, what a clinician observed, elicited, and recorded at the bedside often carries greater weight than what appeared on a report. By compiling more than three hundred classical and rare eponymous signs from M to Z, this volume restores diagnostic authority to physical examination and transforms it into a defensible clinical asset. Each entry integrates historical origin, anatomical logic, examination technique, and medico-legal relevance, showing how signs such as McMurray’s, Macewen’s, and countless others are interpreted in litigation and academic scrutiny. Through its structured, training-ready format, it teaches clinicians how to observe with precision, document with clarity, and defend their findings with confidence. Written for practicing specialists, postgraduate trainees, hospital QA teams, academic institutions, compliance units, and medico-legal educators, this book functions not merely as a reference atlas, but as professional insurance. In an era where missed bedside signs can undermine careers and institutions, this volume delivers sharper clinical judgment, stronger documentation standards, and courtroom-ready diagnostic mastery.