Test-retest reliability of isometric shoulder muscle strength measurement with a handheld dynamometer and belt

Katoh, Munenori

doi:10.1589/jpts.27.1719

Cited by 24 publications

(34 citation statements)

References 3 publications

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“…Previous studies performed two different isometric shoulder extensor strength measurements, one with the shoulder 0° flexed and abducted with the participant in a sitting position11 ) , and one with the shoulder 90° flexed with the participant in the supine position12, 13 ) . In other studies10, 14 ) , isometric shoulder internal rotator strength measurement was performed in all kinds of positions, e.g.…”

Section: Discussionmentioning

confidence: 99%

Intra- and inter-rater reliability of isometric shoulder extensor and internal rotator strength measurements performed using a hand-held dynamometer

et al. 2016

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[Purpose] The purpose of the present study was to establish the intra- and inter-rater reliability of measurement of extensor strength in the maximum shoulder abducted position and internal rotator strength in the 90° abducted and the 90° external rotated position using a hand-held dynamometer. [Subjects and Methods] Twelve healthy volunteers (12 male; mean ± SD: age 19.0 ± 1.1 years) participated in the study. The examiners were two students who had nonclinical experience with a hand-held dynamometer measurement. The examiners and participants were blinded to measurement results by the recorder. Participants in the prone position were instructed to hold the contraction against the ground reaction force, and peak isometric force was recorded using the hand-held dynamometer on the floor. Reliability was determined using intraclass correlation coefficients. [Results] The intra- and inter-rater reliability data were found to be “almost perfect”. [Conclusion] This study investigated intra- and inter-rater reliability and reveald high reliability. Thus, the measurement method used in the present study can evaluate muscle strength by a simple measurement technique.

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Section: Discussionmentioning

confidence: 99%

Intra- and inter-rater reliability of isometric shoulder extensor and internal rotator strength measurements performed using a hand-held dynamometer

et al. 2016

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“…The reliability of HHD for assessing shoulder strength has been investigated previously, but the studies have used various shoulder positions. Some studies 10 , 11 ) have suggested that HHD for assessing shoulder strength is highly reliable. Commonly, isometric shoulder extensor strength is assessed in the seated position with the shoulder in the 0° flexed and abducted position 10 ) , or in the supine position with the shoulder in the 90° flexed position 2 , 3 ) .…”

Section: Discussionmentioning

confidence: 99%

“…Some studies 10 , 11 ) have suggested that HHD for assessing shoulder strength is highly reliable. Commonly, isometric shoulder extensor strength is assessed in the seated position with the shoulder in the 0° flexed and abducted position 10 ) , or in the supine position with the shoulder in the 90° flexed position 2 , 3 ) . Bohannon et al reported intra-rater reliability (ICC 3, 1 ) mean values of 0.974 for the dominant side, and 0.973 for the non-dominant side, for supine subjects with the shoulder in the 90° flexed position.…”

Section: Discussionmentioning

confidence: 99%

Same-session and between-day intra-rater reliability of hand-held dynamometer measurements of isometric shoulder extensor strength

et al. 2016

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[Purpose] The purpose of present study was to establish the same-session and between-day intra-rater reliability of measurements of extensor strength in the maximum abducted position (MABP) using hand-held dynamometer (HHD). [Subjects] Thirteen healthy volunteers (10 male, 3 female; mean ± SD: age 19.8 ± 0.8 y) participated in the study. [Methods] Participants in the prone position with maximum abduction of shoulder were instructed to hold the contraction against the ground reaction force, and peak isometric force was recorded using the HHD on the floor. Participants performed maximum isometric contractions lasting 3 s, with 3 trials in one session. Between-day measurements were performed in 2 sessions separated by a 1-week interval. Intra-rater reliability was determined using intraclass correlation coefficients (ICC). Systematic errors were assessed using Bland-Altman analysis for between-day data. [Results] ICC values for same-session data and between-day data were found to be “almost perfect”. Systematic errors not existed and only random error existed. [Conclusion] The measurement method used in this study can easily control for experimental conditions and allow precise measurement because the lack of stabilization and the impact of tester strength are removed. Thus, extensor strength in MABP measurement is beneficial for muscle strength assessment.

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“…Various movements of joints at different angles produce various postures. The efficiency of movements varies according to the angles between the bones and origin and insertion 23 ) . Absolute muscle force, joint angle during measurement, and the length of force applied from the joint axis affects the expressed muscle strength 24 ) .…”

Section: Discussionmentioning

confidence: 99%

The effect of an active vibration stimulus according to different shoulder joint angles on functional reach and stability of the shoulder joint

Kim

2016

J Phys Ther Sci

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[Purpose] The purpose of this study was to analyze the effect of an active vibration stimulus exercise according to shoulder joint angles on functional reach and stability of the shoulder joint. [Subjects and Methods] Thirty healthy male students participated in this study. Upper limb length of each subject was measured to obtain normalized measurement values. The exercise groups were as follows: group I (n=10, shoulder joint angle of 90°), group II (n=10, shoulder joint angle of 130°), and group III (n=10, shoulder joint angle of 180°). After warm-up, an active vibration stimulus was applied to the subjects with a Flexi-Bar. The Functional Reach Test and Y-balance test were conducted for measurement of shoulder stability. [Results] Analysis of covariance was conducted with values before the intervention as covariates to analyze the differences among the groups in the two tests. There were significant differences among the groups. According to Bonferroni post hoc comparison, group I showed greater improvement than group III in the Functional Reach Test, and group II showed greater improvement than group I and group III in the Y-balance test. [Conclusion] The effect of the exercise with different shoulder joint angles revealed that the shoulder joint has a certain effective joint angle for its functionality and stability. In addition, application of an active vibration stimulus with a Flexi-Bar can be a very effective tool for improvement of functionality and stability of the shoulder joint.

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Test-retest reliability of isometric shoulder muscle strength measurement with a handheld dynamometer and belt

Cited by 24 publications

References 3 publications

Intra- and inter-rater reliability of isometric shoulder extensor and internal rotator strength measurements performed using a hand-held dynamometer

Intra- and inter-rater reliability of isometric shoulder extensor and internal rotator strength measurements performed using a hand-held dynamometer

Same-session and between-day intra-rater reliability of hand-held dynamometer measurements of isometric shoulder extensor strength

The effect of an active vibration stimulus according to different shoulder joint angles on functional reach and stability of the shoulder joint

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