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Journal of Orthopaedics and Traumatology

, Volume 16, Issue 1, pp 55–58

First Online: 04 June 2014Received: 14 November 2013Accepted: 12 May 2014

Abstract

The present study was performed to examine the reliability of ultrasound in evaluating patellar mobility in the superior–inferior direction. Twelve healthy men volunteered for the study. Patellar mobility in the superior–inferior direction during isometric knee extension contraction with the knee immobilized in a semi-flexed knee brace was measured using ultrasound. Both intra-observer and inter-observer reliability were assessed by intra-class correlation coefficients ICCs. Bland–Altman analysis was used for assessing agreement between measurements. ICC values were excellent for both intra-observer and inter-observer reliability at 0.97 and 0.93, respectively. In 95 % of measurements, the same observer measured within −0.55 to 0.61 mm, while different observers measured within −0.82 to 0.85 mm. In conclusion, patellar mobility in the superior–inferior direction during an isometric knee extension exercise can be reproducibly measured using ultrasound.

The level of evidenceVI basic study of a novel evaluation method.

KeywordsPatellar mobility Ultrasound Rehabilitation Isometric knee extension exercise Reliability  Download fulltext PDF



Author: Takashi Kanamoto - Yoshinari Tanaka - Yasukazu Yonetani - Keisuke Kita - Hiroshi Amano - Masashi Kusano - Mie Fukamatsu - S

Source: https://link.springer.com/



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