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Reliability of panoramic ultrasound imaging to simultaneously examine muscle size and quality of the medial gastrocnemius
Author(s) -
Rosenberg Joseph G.,
Ryan Eric D.,
Sobolewski Eric J.,
Scharville Michael J.,
Thompson Brennan J.,
King Gilbert E.
Publication year - 2014
Publication title -
muscle and nerve
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.025
H-Index - 145
eISSN - 1097-4598
pISSN - 0148-639X
DOI - 10.1002/mus.24061
Subject(s) - intraclass correlation , reliability (semiconductor) , ultrasound , medicine , image quality , ultrasound imaging , reproducibility , standard error , gastrocnemius muscle , nuclear medicine , repeatability , physical medicine and rehabilitation , anatomy , radiology , psychometrics , skeletal muscle , mathematics , statistics , computer science , clinical psychology , power (physics) , physics , quantum mechanics , artificial intelligence , image (mathematics)
ABSTRACT Introduction : In this study we examined the test–retest reliability of panoramic brightness‐mode ultrasound (US) imaging to simultaneously measure both muscle size and quality from a single US image. Methods : Sixteen healthy, recreationally active men (age = 20.9 ± 2.5 years) volunteered for this investigation. Test–retest reliability was evaluated using intraclass correlation coefficients (ICCs) and the standard error of measurement as a percentage of the mean (SEM%). Muscle size [cross‐sectional area (CSA)], and muscle quality [echo intensity (EI)] of the medial gastrocnemius were examined on 2 separate days. Results : These measures demonstrated acceptable reliability between assessment days with ICCs and SEM% of 0.914 and 0.720 and 5.830 and 3.680 for CSA and EI, respectively. Conclusions : These results suggest that panoramic US imaging may be a reliable technique for simultaneous assessment of both muscle size and quality from a single US scan. Muscle Nerve 49 : 736–740, 2014