Measuring seated hip extensor strength using a handheld dynamometer: an examination of the reliability and validity of the protocol

Seko, Toshiaki; Kumamoto, Tsuneo; Miura, Sayo; Kobayashi, Takumi; Takahashi, Yūzō; Kaneko, Ryousuke; Morino, Akira; Ito, Toshikazu

doi:10.1589/jpts.27.2179

Cited by 9 publications

(11 citation statements)

References 14 publications

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“…Seven other studies 18 - 23 , 30 used HHD to assess hip muscle strength in a number of positions. ICC values were again high (0.76 to 0.98), however, Seko et al 18 found poor reliability when measuring hip extensor strength in the prone position (criterion-related validity = 0.53) compared with sitting or standing positions (criterion-related validity = 0.81). Thorborg et al 21 also assessed the effect of the gender of the tester on the reliability of the measurement values.…”

Section: Resultsmentioning

confidence: 99%

Measuring hip muscle strength in patients with femoroacetabular impingement and other hip pathologies

Mayne

Memarzadeh

Raut

et al. 2017

Bone & Joint Research

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ObjectivesThe aim of this study was to systematically review the literature on measurement of muscle strength in patients with femoroacetabular impingement (FAI) and other pathologies and to suggest guidelines to standardise protocols for future research in the field.MethodsThe Cochrane and PubMed libraries were searched for any publications using the terms ‘hip’, ‘muscle’, ‘strength’, and ‘measurement’ in the ‘Title, Abstract, Keywords’ field. A further search was performed using the terms ‘femoroacetabular’ or ‘impingement’. The search was limited to recent literature only.ResultsA total of 29 articles were reviewed to obtain information on a number of variables. These comprised the type of device used for measurement, rater standardisation, the type of movements tested, body positioning and comparative studies of muscle strength in FAI versus normal controls. The studies found that hip muscle strength is lower in patients with FAI; this is also true for the asymptomatic hip in patients with FAI.ConclusionsCurrent literature on this subject is limited and examines multiple variables. Our recommendations for achieving reproducible results include stabilising the patient, measuring isometric movements and maximising standardisation by using a single tester and familiarising the participants with the protocol. Further work must be done to demonstrate the reliability of any new testing method.Cite this article: E. Mayne, A. Memarzadeh, P. Raut, A. Arora, V. Khanduja. Measuring hip muscle strength in patients with femoroacetabular impingement and other hip pathologies: A systematic review. Bone Joint Res 2017;6:66–72. DOI: 10.1302/2046-3758.61.BJR-2016-0081.

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Section: Resultsmentioning

confidence: 99%

Measuring hip muscle strength in patients with femoroacetabular impingement and other hip pathologies

Mayne

Memarzadeh

Raut

et al. 2017

Bone & Joint Research

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“…The MDC will be normalized by the mean and expressed in percentage. We will further use Bland Altman analyses to investigate absolute reliability and determine between session agreements of the strength measurements [ 35 , 36 ]. We will also present the 95 % limits of agreement (LoA 95 %) representing two SD above and below the mean differences between the sessions [ 30 ].…”

Section: Methods and Analysismentioning

confidence: 99%

Reliability and validity of an adapted hip abductor strength measure as a potential new fall risk assessment for older persons: a study protocol

et al. 2021

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Background Persons aged ≥ 65 years are currently the world’s fastest growing age group. An important complication of age is the increasing risk of falls. Falls have multifactorial etiology and modifiable risk factors open for interventions in prevention and rehabilitation, are of high interest. In this context, strong hip abductors seem to be important to prevent falls. A newly adapted measurement device to measure hip abductor strength (HAS) in a closed chain position was developed. We aim to assess feasibility, intra- and inter-tester reliability and construct and criterion validity of the new measure. Methods In two subsequent parts a feasibility, reliability and validity study with an adapted measurement instrument for the assessment of HAS (index test) in a closed chain position in persons aged ≥ 65 years will be conducted. Part I investigates feasibility of the measure in clinical settings as well as reliability of the new HAS test (n = 26). Part II evaluates construct and criterion validity (n = 169). Construct validity will be assessed cross-sectional, criterion validity by comparison with prospectively followed up fall history for 12 months (external criterion) and other functional fall risk assessments (Short Physical Performance Battery, Timed Up and Go test, usual gait speed and hand grip strength). Discussion Results of feasibility, will give insight in its applicability in daily clinical life and clinimetric properties will show if measurements of HAS in a closed chain position should be encouraged to include in fall risk assessments in older adults.

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“…A threshold value of p < 0.05 was adopted to rule out the non-significant difference. Intra-rater reliability for hip abductor strength values was determined using the ICC agreement (A,1 type) model as the relative reliability index [ 27 ]. Interpretation of the ICC agreement was as follows: values > 0.75 were considered as “good reliability”, between 0.5 and 0.75 as “moderate reliability” and < 0.5 as “poor reliability” [ 28 ].…”

Section: Methodsmentioning

confidence: 99%

“…The SDD was normalized by the mean and expressed as percentage. Absolute reliability was investigated using Bland and Altman analysis to determine between-session agreement of the strength measurements [ 16 , 27 ]. The 95% limits of agreement (LOA 95%) represent 2 standard deviations (SD) above and below the mean difference (bias) between sessions.…”

Section: Methodsmentioning

confidence: 99%

Intra-rater reliability of hip abductor isometric strength testing in a standing position in older fallers and non-fallers

Bruyneel

Gafner

Ferrari

et al. 2018

Eur Rev Aging Phys Act

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BackgroundReduced hip muscle strength has been shown to be a major factor related to falls in older persons. However, comprehensive assessment of hip abduction strength in the clinical setting is challenging. The aim of this study was to investigate the feasibility and intra-rater reliability of a quick and simple hip abductor strength test in a functional standing position.MethodsIndividuals over 65 years of age were recruited from the geriatric department of a university hospital and an outpatient clinic. Thirty-two older subjects, including 16 fallers (≥1 fall during the last 12 months) and 16 non-fallers were included. Maximum voluntary isometric strength (MVIS) and rate of force generation (RFG) of the hip abductors of the right leg were evaluated in a standing position using a hand-held dynamometer. Two test-sessions were carried out. All hip strength values were normalized to participants’ weight. Reliability was determined using the intra-class correlation coefficient agreement (ICCagreement), the standard error of measurement (SEM) and a Bland and Altman analysis (BA).ResultsAll participants completed the strength tests, which took a mean 2.47 ± 0.49 min (one limb). Intra-rater reliability was higher for MVIS (0.98[0.95–0.99]) than RFG (ICC = 0.93[0.87–0.97]) for the entire sample. In the non-fallers, ICC was 0.98[0.95–1.00] (SEM = 0.08 N.kg− 1) for MVIS and 0.88[0.75–0.96] for RFG (SEM = 1.34 N.kg-1.s-1). In the fallers, ICC was 0.94[0.89–0.98] (SEM = 0.11 N.kg− 1) for MVIS and 0.93[0.84–0.98] (SEM = 1.12 N.kg− 1.s− 1) for RFG. The BA plot showed that the MVIS and RFG values did not differ across test-sessions, showing that no learning effect occurred (no systematic effect). The mean differences between test-sessions were larger and the LOA smaller in the fallers than in the non-fallers.ConclusionAssessment of hip strength in a standing position is feasible, rapid and reliable. We therefore recommend this position for clinical practice. Future studies should investigate the diagnostic value of hip abductor strength in standing to discriminate between fallers and non-fallers, and to determine if change in strength following a falls prevention program reduces the risk of falls.

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Measuring seated hip extensor strength using a handheld dynamometer: an examination of the reliability and validity of the protocol

Cited by 9 publications

References 14 publications

Measuring hip muscle strength in patients with femoroacetabular impingement and other hip pathologies

Measuring hip muscle strength in patients with femoroacetabular impingement and other hip pathologies

Reliability and validity of an adapted hip abductor strength measure as a potential new fall risk assessment for older persons: a study protocol

Intra-rater reliability of hip abductor isometric strength testing in a standing position in older fallers and non-fallers

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