Arm abduction strength and its relationship to shoulder geometry

Krystyna Gielo-Perczak, Simon Matz, Kai Nan An

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6 引文 斯高帕斯(Scopus)

摘要

This study was conducted to test whether glenohumeral geometry, as measured through MRI scans, is correlated with upper arm strength. The isometric shoulder strength of 12 subjects during one-handed arm abduction in the coronal plane, in a range from 5°to 30°, was correlated with the geometries of their glenoid fossas. Seven parameters describing the glenohumeral joint geometry in the coronal plane were identified as having expected influence on shoulder strength. In addition to these, a new geometric parameter, named the area of glenoid asymmetry (AGA), was considered to reflect the concavity-compression mechanism as well as the inclination of the glenoid surface. As a result of the high correlation between the AGA and mean force and mean moment (0.80, p ≤ 0.01 and 0.69, p ≤ 0.05, respectively) at the glenohumeral joint in a coronal plane, the AGA was distinguished as a factor having influence on shoulder strength when an arm was abducted in a range from 5°to 30°.

原文English
頁(從 - 到)66-78
頁數13
期刊Journal of Electromyography and Kinesiology
16
發行號1
DOIs
出版狀態Published - 2006 二月

All Science Journal Classification (ASJC) codes

  • 神經科學(雜項)
  • 生物物理學
  • 神經病學(臨床)

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