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| ID | 26810 | ||||||||||||
| Title | Concurrent validity and reliability of a low-cost dynamometer to assess maximal isometric strength in neck movements | ||||||||||||
| URL | https://pubmed.ncbi.nlm.nih.gov/33461749/ | ||||||||||||
| Journal | J Manipulative Physiol Ther. 2021 Mar;44(3):229-235 | ||||||||||||
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| Peer Review | Yes | ||||||||||||
| Publication Type | Article | ||||||||||||
| Abstract/Notes | Objective: This study aimed to evaluate the concurrent validity and reliability of a low-cost digital dynamometer to assess maximal isometric strength in neck movements. Methods: Twelve recreationally active participants (6 women, 6 men; age: 24.1 ± 3.4 years; height: 1.71 ± 0.06 m; weight: 64.6 ± 11.7 kg) performed neck flexion, extension, and lateral flexion, and maximal isometric strength was simultaneously measured using an isokinetic dynamometer (gold standard) and a digital dynamometer to evaluate the concurrent validity of the latter. One week later, all the participants repeated 3 trials of each neck movement (3 minutes apart) registered only with the digital dynamometer. The first and second trial were guided by tester 1 and the third trial was guided by tester 2. Results: The concurrent validity of the digital dynamometer showed a nearly perfect correlation between both devices (r > 0.986, P < .001), with Bland-Altman plots showing absolute agreement. Intertester and intratester reliability were nearly perfect for all neck movements (intraclass correlation coefficient > 0.86). Conclusion: The low-cost digital dynamometer showed valid and reliable measurements of maximal isometric strength in neck movements. Author keywords: Muscle Strength Dynamometer; Isometric Contraction; Reproducibility of Results Author affiliations: NRF, JCFD: Nursing and Physiotherapy Department, University of the Balearic Islands, Palma de Mallorca, Spain; PJR: Sports Sciences Department, King Juan Carlos University, Madrid, Spain This abstract is reproduced with the permission of the publisher; full text is available by subscription. Click on the above link and select a publisher from PubMed's LinkOut feature.
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