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1 Acta of Bioengineering and Biomechanics

1 2008

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Isokinetic muscle torque during glenohumeral rotation in dominant and nondominant limbs

Gołębiewska J. A., Mastalerz A., Zieliński J. R

Acta of Bioengineering and Biomechanics

2008

Vol. 10, nr 2

69-73

The purpose of this study was to evaluate the side-to-side differences of isokinetic muscle torque during shoulder rotation in healthy nonathletic subjects. The strength was examined at two angles of glenohumeral abduction in the scapular plane (45° and 90°, respectively) and at three velocities (180°/s, 120°/s, 60°/s) using Biodex System 3Pro dynamometer. The maximal torques were achieved on dominant side in 45° abduction at 60°/s velocity, both for external and internal rotation. A general pattern was observed: abduction angle and velocity increase provoked a decrease in torque values, but each antagonistic muscle group was sensitive to a different factor. Significant differences between dominant and non-dominant limb were not observed in nonathletic male.