Effects of aging on mechanical properties of sternocleidomastoid and trapezius muscles during transition from lying to sitting position—A cross-sectional study

Kocur, Piotr; Grzeskowiak, Marcin; Wiernicka, Marzena; Goliwąs, Magdalena; Lewandowski, Jacek; Łochyński, Dawid

doi:10.1016/j.archger.2016.12.005

Cited by 32 publications

(42 citation statements)

References 27 publications

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“…The tone and stiffness of hand muscles were also shown to be significantly correlated with hand strength and upper limb motor function [ 14 ]. Other published studies have also reported statistically significant differences in mechanical muscle properties between different age groups of women [ 15 ] and in mixed populations [ 16 ] between people with Parkinson's disease and healthy individuals [ 17 ] and between people with chronic stroke and healthy individuals [ 18 ] when measured using a myotonometer. Existing evidence suggests that myotonometry is a valid technology to record the mechanical properties of muscles.…”

Section: Introductionmentioning

confidence: 98%

Relative and Absolute Interrater Reliabilities of a Hand-Held Myotonometer to Quantify Mechanical Muscle Properties in Patients with Acute Stroke in an Inpatient Ward

Zhao

et al. 2017

BioMed Research International

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Introduction The reliability of using MyotonPRO to quantify muscles mechanical properties in a ward setting for the acute stroke population remains unknown. Aims To investigate the within-session relative and absolute interrater reliability of MyotonPRO. Methods Mechanical properties of biceps brachii, brachioradialis, rectus femoris, and tibialis anterior were recorded at bedside. Participants were within 1 month of the first occurrence of stroke. Relative reliability was assessed by intraclass correlation coefficient (ICC). Absolute reliability was assessed by standard error of measurement (SEM), SEM%, smallest real difference (SRD), SRD%, and the Bland-Altman 95% limits of agreement. Results ICCs of all studied muscles ranged between 0.63 and 0.97. The SEM of all muscles ranged within 0.30–0.88 Hz for tone, 0.07–0.19 for decrement, 6.42–20.20 N/m for stiffness, and 0.04–0.07 for creep. The SRD of all muscles ranged within 0.70–2.05 Hz for tone, 0.16–0.45 for decrement, 14.98–47.15 N/m for stiffness, and 0.09–0.17 for creep. Conclusions MyotonPRO demonstrated acceptable relative and absolute reliability in a ward setting for patients with acute stroke. However, results must be interpreted with caution, due to the varying level of consistency between different muscles, as well as between different parameters within a muscle.

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Section: Introductionmentioning

confidence: 98%

Relative and Absolute Interrater Reliabilities of a Hand-Held Myotonometer to Quantify Mechanical Muscle Properties in Patients with Acute Stroke in an Inpatient Ward

Zhao

et al. 2017

BioMed Research International

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“…Up to date significant differences in muscle stiffness parameters were found between the elderly and young individuals using sonoelastography 18 or MRI 19 . Furthermore, using myotonometry, a reliable and reproducible non-invasive measurement method, higher stiffness values and lower elasticity of superficial muscles of neck 20 and face 21 were found in old individuals compared to young ones. However, it is not known how these mechanical properties of neck muscles change between third and ninth decade of life, and whether they are affected by other factors such as body fat or head posture.…”

Section: Introductionmentioning

confidence: 99%

Relationship between age, BMI, head posture and superficial neck muscle stiffness and elasticity in adult women

Kocur¹,

Tomczak²,

Wiernicka³

et al. 2019

Sci Rep

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This study determined relationships between age, BMI and cranio-vertebral angle (CVA) (independent variables) and stiffness and elasticity of sternocleidomasteoid [SCM] and upper trapezius [UT] (dependent variables) muscles in sitting posture in 95 women across adult life. Moreover, a stepwise regression was performed to determine to what extent the dependent variables are explained by age, BMI and CVA. Age was moderately correlated with BMI (r = 0.41), and both age and BMI were moderately negatively correlated with CVA (r = −0.54 and −0.55, respectively). High (r = 0.73) and moderate (r = 0.53) linear relationships were present between age and logarithmic decrement (inversely related to elasticity) and stiffness of SCM muscle, respectively. Low (r = 0.36) and moderate (r = 0.47) relationships were present between age and logarithmic decrement and stiffness of UT muscle, respectively. Age accounted for 53% variance in elasticity and 28.5% variance in stiffness of SCM, and for 13% variance in elasticity and 22% variance in stiffness of UT muscle. Introduction of BMI but not CVA to the model explained the variance of these parameters by additional 0–8%. Among the studied factors age is the major correlate of stiffness and elasticity of neck muscles across the adult life.

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“…Data based on the newest model, MyotonPRO, has also been published [ 8 , 9 ], including data on changes in muscle viscoelastic properties associated with aging [ 10 – 12 ] and pathological conditions such as stroke [ 13 ]. MyotonPRO measurements of muscle tone, stiffness, and elasticity were found to be greater in the upper trapezius and sternocleidomastoid of older women compared to younger women [ 12 ]. Lumbar fascia stiffness measured by the MyotonPRO was greater in the right side than the left side, and greater in men than in women [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Quantifying the Stiffness of Achilles Tendon: Intra- and Inter-Operator Reliability and the Effect of Ankle Joint Motion

Liu

Wang

et al. 2018

Med Sci Monit

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BackgroundThe objectives of the present study were to examine the intra- and inter-operator reliability of the MyotonPRO device in quantifying the stiffness of the Achilles tendon and the device’s ability to examine the modulation in stiffness of the Achilles tendon during ankle joint flexion.Material/MethodsTwenty asymptomatic participants (10 males and 10 females; mean age: 25.0±3.1 years) were recruited for this study. The stiffness of the Achilles tendon was quantified using the MyotonPRO device.ResultsThe results revealed excellent intra- and inter-operator reliability for quantifying Achilles tendon stiffness with the ankle joint in a neutral position and detected a 13.9% increase in stiffness of the Achilles tendon between 0° and 30° of ankle joint flexion. The minimal detectable change (MDC) in tendon stiffness was 45 Newton/meter (N/m).ConclusionsOur findings indicated that the MyotonPRO device is a feasible method to quantify the stiffness of the Achilles tendon and monitor its changes. Thus, it is an essential tool to use to examine the modulation in the stiffness of the Achilles tendon due to pathology or interventions for future studies.

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Effects of aging on mechanical properties of sternocleidomastoid and trapezius muscles during transition from lying to sitting position—A cross-sectional study

Cited by 32 publications

References 27 publications

Relative and Absolute Interrater Reliabilities of a Hand-Held Myotonometer to Quantify Mechanical Muscle Properties in Patients with Acute Stroke in an Inpatient Ward

Relative and Absolute Interrater Reliabilities of a Hand-Held Myotonometer to Quantify Mechanical Muscle Properties in Patients with Acute Stroke in an Inpatient Ward

Relationship between age, BMI, head posture and superficial neck muscle stiffness and elasticity in adult women

Quantifying the Stiffness of Achilles Tendon: Intra- and Inter-Operator Reliability and the Effect of Ankle Joint Motion

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