Koumantakis, George A Reliability and Validity Measurement of Sagittal Lumbosacral Quiet Standing Posture with a Smartphone Application in a Mixed Population of 183 College Students and Personnel. [electronic resource] - Advances in orthopedics 2016 - 3817270 p. digital Publication Type: Journal Article ISSN: 2090-3464 Standard No.: 10.1155/2016/3817270 doi