Validity of fascicle length estimation in the vastus lateralis and vastus intermedius using ultrasonography

Ryosuke Ando*, Keigo Taniguchi, Akira Saito, Mineko Fujimiya, Masaki Katayose, Hiroshi Akima

*この研究の対応する著者

研究成果: Article査読

37 被引用数 (Scopus)

抄録

The purpose of this study was to determine the validity of fascicle length estimation in the vastus lateralis (VL) and vastus intermedius (VI) using ultrasonography. The fascicle lengths of the VL and VI muscles were measured directly (dFL) using calipers, and were estimated (estmFL) using ultrasonography, in 10 legs from five Thiel's embalmed cadavers. To determine the validity of the estmFLs, FL was estimated using five previously published models and compared with dFL. The intraclass correlation coefficients (ICCs) of two of the five models were. >0.75, indicating that these estimates were valid. Both of these models combined measurement of the length of the visible part of the fascicle with linear extrapolation of the length of the part of the fascicle that was not visible on the sonographic image. The ICCs and absolute% difference were best in models that used appropriate pennation angles. These results suggest that two of the five previously published models are valid for obtaining estmFL of the VL and VI using ultrasonography.

本文言語English
ページ(範囲)214-220
ページ数7
ジャーナルJournal of Electromyography and Kinesiology
24
2
DOI
出版ステータスPublished - 2014
外部発表はい

ASJC Scopus subject areas

  • 神経科学(その他)
  • 生物理学
  • 臨床神経学

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