description of the actual technique of measurement and the clinical implication are presented with accompanying illustrations. This amalgamation of measurement tools for the spine is a beneficial reference for a wide spectrum of healthcare providers: students, nurses, residents, fellows, and established surgeons. In addition to its detailed illustrated presentation, each measurement technique has been graded for scientific and clinical utility with a score that specifically grades: · Interobserver reliability · Intraobserver reliability · Universality · Disease specificity · Ease of application · Simplicity · Patient tolerability · Expense The detail presented in this text will not only serve as a reference, but will also allow the reader to accurately reproduce measurement techniques, thus enhancing inter-physician communication, research of the spine, and improvement of patient care.