Skeletal Radiol (2014) 43:157–164 DOI 10.1007/s00256-013-1756-7
SCIENTIFIC ARTICLE
The effects of weight-bearing conditions on patellofemoral indices in individuals without and with patellofemoral pain syndrome Tae-Hoon Kim & Anshul Sobti & Suk-Ha Lee & Jong-Soo Lee & Kwang-Jun Oh
Received: 14 July 2013 / Revised: 3 September 2013 / Accepted: 10 October 2013 / Published online: 13 November 2013 # ISS 2013
Abstract Objective The purpose of this study is to evaluate differences between the patellofemoral joint indices after supine, nonweight-bearing and standing position, and weight-bearing Merchant view radiographs in individuals without and with patellofemoral pain syndrome (PFPS). Materials and methods Radiographs of 44 knees without PFPS and 51 knees with PFPS were retrospectively evaluated. In both positions, the non-weight-bearing and weight-bearing Merchant views, patellar indices such as patellar tilt angle, lateral patellofemoral angle, lateral subluxation distance, lateral patellar displacement, and congruence angle were measured, respectively. The differences between the patellofemoral joint indices in knees with and without PFPS were analyzed using univariate and multivariate regression analysis, in regards to correlation factors. Results The patellar tilt angle (p =0.0002), lateral subluxation distance (p =0.038), lateral patellar displacement (p =0.0004), and congruence angle (p
SCIENTIFIC ARTICLE
The effects of weight-bearing conditions on patellofemoral indices in individuals without and with patellofemoral pain syndrome Tae-Hoon Kim & Anshul Sobti & Suk-Ha Lee & Jong-Soo Lee & Kwang-Jun Oh
Received: 14 July 2013 / Revised: 3 September 2013 / Accepted: 10 October 2013 / Published online: 13 November 2013 # ISS 2013
Abstract Objective The purpose of this study is to evaluate differences between the patellofemoral joint indices after supine, nonweight-bearing and standing position, and weight-bearing Merchant view radiographs in individuals without and with patellofemoral pain syndrome (PFPS). Materials and methods Radiographs of 44 knees without PFPS and 51 knees with PFPS were retrospectively evaluated. In both positions, the non-weight-bearing and weight-bearing Merchant views, patellar indices such as patellar tilt angle, lateral patellofemoral angle, lateral subluxation distance, lateral patellar displacement, and congruence angle were measured, respectively. The differences between the patellofemoral joint indices in knees with and without PFPS were analyzed using univariate and multivariate regression analysis, in regards to correlation factors. Results The patellar tilt angle (p =0.0002), lateral subluxation distance (p =0.038), lateral patellar displacement (p =0.0004), and congruence angle (p
