Effect of posterior tibial slope on knee biomechanics during functional activity

KB Shelburne; HJ Kim; WI Sterett; MG Pandy

Journal article

Effect of posterior tibial slope on knee biomechanics during functional activity

KB Shelburne, HJ Kim, WI Sterett, MG Pandy

Journal of Orthopaedic Research | Published : 2011

DOI: 10.1002/jor.21242

Abstract

Treatment of medial compartment knee osteoarthritis with high tibial osteotomy can produce an unintended change in the slope of the tibial plateau in the sagittal plane. The effect of changing posterior tibial slope (PTS) on cruciate ligament forces has not been quantified for knee loading in activities of daily living. The purpose of this study was to determine how changes in PTS affect tibial shear force, anterior tibial translation (ATT), and knee-ligament loading during daily physical activity. We hypothesized that tibial shear force, ATT, and ACL force all increase as PTS increases. A previously validated computer model was used to calculate ATT, tibial shear force, and cruciate-ligamen..

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University of Melbourne Researchers

Marcus Pandy Author

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Funding Acknowledgements

This study was supported in part by the Steadman Philippon Research Institute, a VESKI Fellowship provided to M.G.P., and ARC Discovery Project Grants DP0772838 and DP0878705 to M.G.P.