Tonnis Angle and Acetabular Retroversion Measurements in Asymptomatic Hips Are Predictive of Future Hip Pain: A Retrospective, Prognostic Clinical Study.
Alfred A MansourPatrick M CarryMatthew BeltonKaley S HolmesChristopher J BrazellGaia GeorgopoulosBryant ElrickErnest SinkNancy Hadley MillerPublished in: Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews (2020)
Our study demonstrates a high prevalence of radiographic abnormalities indicative of femoroacetabular impingement in asymptomatic adolescents and young adults. A decrease in Tönnis angle and the presence of acetabular retroversion were predictive of future hip pain.