Validity and reliability of isometric knee extension muscle strength measurements using a belt-stabilized hand-held dynamometer: a comparison with the measurement using an isokinetic dynamometer in a sitting posture

Journal of Physical Therapy Science
Masahiro HiranoSaori Arai

Abstract

[Purpose] This study aimed to determine the validity and reliability of isometric knee extension muscle strength measurements using a belt-stabilized hand-held dynamometer compared to that using an isokinetic dynamometer with the participant in a sitting posture. [Participants and Methods] Forty-two university students participated. The isometric knee extension muscle strength was measured using a hand-held dynamometer and an isokinetic dynamometer. For both measurements, the participants were in the similar sitting posture. The sitting posture maintained trunk stability, with the hands on the bed, and the non-measurement-side toe touching the floor or table. The intra-class correlation coefficient and the relevance were verified. [Results] Intra-rater correlation coefficient (1, 1) of the two measurements was ≥0.75. A significant difference was found in the measurement value between males and females. No significant difference was found between the measurements value of the two devices. A significant positive correlation was found in the measurement value of two devices in the male participants. [Conclusion] When compared to the standard method of isometric knee extension muscle strength measurements using an isokinetic dynamo...Continue Reading

References

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Jun 4, 2013·Physiotherapy Theory and Practice·Sarah E NeilKristin L Campbell
Nov 2, 2016·Journal of Physical Therapy Science·Guillaume MuffMarie-Eve Isner-Horobeti
Nov 2, 2016·Journal of Physical Therapy Science·Masahiro HiranoMunenori Katoh
Aug 9, 2017·Journal of Athletic Training·Jaqueline MartinsDébora Bevilaqua-Grossi

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Citations

Jul 3, 2021·International Journal of Environmental Research and Public Health·Giuseppe BaroneLaura Bragonzoni
Jul 27, 2021·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Dylan P RomanAdam Weaver
Aug 16, 2021·Journal of Bodywork and Movement Therapies·Naoto MatsunagaKiyokazu Akasaka

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