Reliability, Validity, and Responsiveness of Myotonometric Measurement of Muscle Tone, Elasticity, and Stiffness in Patients With Stroke

Chuang, Li-Ling; Wu, Ching‐yi; Lin, Keh‐chung

doi:10.1016/j.apmr.2011.09.014

Cited by 144 publications

(146 citation statements)

References 40 publications

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“…A study using the Myoton-3 device in a mixed gender stroke population (aged 54.67 ± 10.9 years) found muscle tone was only significantly asymmetrical in flexor carpi radialis (0.004) and not extensor digitorum (0.416) or flexor carpi ulnaris (0.760) muscles [35]. This highlights the importance of ascertaining symmetry values in healthy populations for specific muscles prior to clinical use.…”

Section: Between-side Symmetrymentioning

confidence: 99%

“…This highlights the importance of ascertaining symmetry values in healthy populations for specific muscles prior to clinical use. Statistical significance and not percentage differences were used to assess asymmetry in the stroke study [35] but the clinical significance of between-side differences in mechanical parameters needs to be determined from large studies of healthy and patient populations.…”

Section: Between-side Symmetrymentioning

confidence: 99%

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Parameters Representing Muscle Tone, Elasticity and Stiffness of Biceps Brachii in Healthy Older Males: Symmetry and Within-Session Reliability Using the MyotonPRO

Bailey¹

2013

J Neurol Disord

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Section: Between-side Symmetrymentioning

confidence: 99%

Section: Between-side Symmetrymentioning

confidence: 99%

Parameters Representing Muscle Tone, Elasticity and Stiffness of Biceps Brachii in Healthy Older Males: Symmetry and Within-Session Reliability Using the MyotonPRO

Bailey¹

2013

J Neurol Disord

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“…stroke (Chuang et al 2012) and PD (Rätsep & Asser 2011;Marusiak et al 2012). Studies of Myoton parameters in musculoskeletal conditions, such as osteoarthritis and rheumatoid arthritis, may be worthwhile.…”

Section: Further Research On Ageingmentioning

confidence: 99%

“…It is necessary to establish normative data using the Myoton device to provide reference values for future assessment of skeletal muscle with ageing and in clinical conditions, as studies have indicated the potential use of Myoton technology to aid diagnosis and management of increased mechanical tone and stiffness in stroke (Chuang et al 2012) and PD (Rätsep & Asser 2011;Marusiak et al 2012). …”

Section: Introductionmentioning

confidence: 99%

Measurement of ageing effects on muscle tone and mechanical properties of rectus femoris and biceps brachii in healthy males and females using a novel hand-held myometric device

Agyapong‐Badu

Warner

Samuel

et al. 2016

Archives of Gerontology and Geriatrics

122

115

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Please cite this article as: Agyapong-Badu, Sandra, Warner, Martin, Samuel, Dinesh, Stokes, Maria, Measurement of ageing effects on muscle tone and mechanical properties of rectus femoris and biceps brachii in healthy males and females using a novel hand-held myometric device.Archives of Gerontology and Geriatrics http://dx.doi.org/10. 1016/j.archger.2015.09.011 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Monitoring changes in muscle properties with ageing in community settings may provide a valuable assessment tool for detecting those at risk of premature decline and sarcopenia.Objective: This study aimed to provide objective data on the effects of ageing and gender on muscle tone and mechanical properties of quadriceps (rectus femoris) and biceps brachii muscles.Methods: In a comparative study of 123 healthy males and females (aged 18-90 years; n=61 aged18-35; n=62 aged 65-90) muscle tone, elasticity and stiffness were measured using the MyotonPRO device.Results: Stiffness was greater and elasticity lower in older adults for BB and RF (p<0.001). Tone was significantly greater in older adults for BB but not for RF when data for males and females were combined (p=0.28). There were no gender differences for BB in either age group. In RF, males had greater stiffness (young males 292 vs females 233 N/m; older males 328 vs females 311 N/m) and tone (young 16.4 vs 13.6 Hz; older 16.7 vs 14.9 Hz).Elasticity in RF was lower in young males than females but did not differ between the older groups (both males and females log decrement 1.6).Conclusions: Stiffness and tone increased with ageing and elasticity decreased. These findings have implications for detecting frailty using a novel biomarker. Age and gender differences are important to consider when assessing effects of pathological conditions on muscle properties in older people.

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“…Our recent study (Chuang et al, 2012) addressed the test-retest reliability, validity, and responsiveness of the Myoton-3 myometer used for assessing tone, elasticity, and stiffness of the affected forearm muscles under a relaxed state in stroke rehabilitation. The Myoton-3 myometer represents a new technology to quantify mechanical properties of resting and contractiling muscles.…”

Section: Metric Properties Of the Myotonometric Measurements: Reliabimentioning

confidence: 99%

Myotonometric Measurement of Muscular Properties of Hemiparetic Arms in Stroke Patients

Chuang¹,

Wu²,

Lin³

2012

Rehabilitation Medicine

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Reliability, Validity, and Responsiveness of Myotonometric Measurement of Muscle Tone, Elasticity, and Stiffness in Patients With Stroke

Cited by 144 publications

References 40 publications

Parameters Representing Muscle Tone, Elasticity and Stiffness of Biceps Brachii in Healthy Older Males: Symmetry and Within-Session Reliability Using the MyotonPRO

Parameters Representing Muscle Tone, Elasticity and Stiffness of Biceps Brachii in Healthy Older Males: Symmetry and Within-Session Reliability Using the MyotonPRO

Measurement of ageing effects on muscle tone and mechanical properties of rectus femoris and biceps brachii in healthy males and females using a novel hand-held myometric device

Myotonometric Measurement of Muscular Properties of Hemiparetic Arms in Stroke Patients

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