Reliability and validity of new isokinetic strength assessment for rotator cuff muscles in a muscle architecture-based position.

Çağlar Soylu, Mustafa Ertuğrul Yaşa, Pervin Demir, Ahmet Mustafa Ada, Tüzün Firat, Necmiye Ün Yildirim

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Article in Turkish journal of medical sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Çağlar SoyluDepartment of Physical Therapy and Rehabilitation, Gülhane Faculty of Physical Therapy and Rehabilitation, University of Health Sciences, Ankara, Turkiye.ORCID https://orcid.org/0000-0002-1524-6295

Mustafa Ertuğrul YaşaDepartment of Physical Therapy and Rehabilitation, Gülhane Faculty of Physical Therapy and Rehabilitation, University of Health Sciences, Ankara, Turkiye.ORCID https://orcid.org/0000-0002-7796-2588

Pervin DemirDepartment of Basic Medical Sciences, Biostatistics and Medical Informatics, Faculty of Medicine, Ankara Yıldırım Beyazıt University, Ankara, Turkiye.ORCID https://orcid.org/0000-0002-9734-4138

Ahmet Mustafa AdaTurkish Armed Forces Sport School, Physical Fitness Test and Evaluation, Ankara, Turkiye.ORCID https://orcid.org/0000-0003-3449-5710

Tüzün FiratDepartment of Physical Therapy and Rehabilitation, Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkiye.ORCID https://orcid.org/0000-0001-7091-771X

Necmiye Ün YildirimDepartment of Physical Therapy and Rehabilitation, Gülhane Faculty of Physical Therapy and Rehabilitation, University of Health Sciences, Ankara, Turkiye.ORCID https://orcid.org/0000-0002-5527-4290

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6 · The paper itself

Abstract

Background/aim: Isokinetic strength assessment of the rotator cuff muscle is frequently applied in a variety of shoulder postures, but none of these consider muscular architecture, which is one of the most important aspects of improving strength development. This study aimed to examine the test and retest reliability and validity of the muscle architecture-based position (MABP), which is 25° abduction and 20° external rotation, in healthy subjects to be able to select a better isokinetic assessment position for shoulder rotator cuff muscles. Materials and methods: A total of 54 healthy males with a mean age of 21.0 ± 1.2 years and mean body mass index of 22.8 ± 1.7 kg/m Results: The correlations between the 2 techniques for assessing concurrent validity ranged from 0.908 to 0.994. The values obtained from the MABP were higher than those obtained in the SNP. There was no systematic bias for any measurements between the MABP and the retest of the MABP (p > 0.05). The intraclass correlation coefficients representing the test and retest reliability results for each variable measured with the MABP was higher than 0.98 and this value was considered as excellent reliability. Conclusion: In conclusion, the MABP can be used to assess the isokinetic strength of the rotator cuff muscles safely and confidently, with increased quantities of force being released and measurement at optimal muscle tension.

Indexed as

Muscle StrengthRotator CuffAdultHealthy VolunteersHumansMaleMuscle Strength DynamometerPostureRange of Motion, ArticularReproducibility of ResultsYoung AdultMuscle architecturemuscle strength dynamometerreproducibility of resultsrotator cuff

Identifiers

PMID38812618

DOI10.55730/1300-0144.5774

PMCPMC11031155

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