Estimation of Thigh Muscle Mass With Magnetic Resonance Imaging in Older Adults and People With Chronic Obstructive Pulmonary Disease

Mathur, Sunita; Takai, Karen P. R.; MacIntyre, Donna L.; Reid, Darlene

doi:10.2522/ptj.20070052

Cited by 70 publications

(80 citation statements)

References 24 publications

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“…20 Previously, some other studies have reported that upper-leg 50% girth was not correlated with knee extensor muscle strength or size, therefore these should not be used as indicators. 29,30 This discrepancy might result from the different gender group used in the previous studies compared to our study. All subjects in the present study were women, while the previous studies had included both men and women (healthy subjects or patients).…”

Section: Discussioncontrasting

confidence: 52%

Field-Based Simplified Approach of Evaluating Knee Extensor Muscle Strength and Size in University Freshmen Women

Yasuda¹

2019

Journal of Sport Rehabilitation

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Context: Periodic assessment of knee extensor muscle strength and size is important for all ages to evaluate the functional status of individuals and to identify and treat those at risk for mobility problems and frailty; however, it is not fully understood whether these field-based simplified approaches correspond to evaluation in knee extensor muscle strength or size. Objective: To examine the relationship between field-based simplified evaluation approaches and knee extensor muscle strength or size in young women. Design: Experimental. Setting: University research laboratory. Subjects: 62 university freshmen women volunteered to participate in this study. Main Outcome Measures: Knee extensor muscle thickness was measured at the anterior half of thigh length; muscle strength was measured when subjects performed knee extension. Field-based simplified approaches [sit-to-stand, standing long jump, handgrip and upper-leg 50% (thigh) girth] were also measured. Results: Maximal strength was correlated with thigh girth, handgrip and standing long jump, but not with the sit-to-stand test. Muscle thickness was correlated with thigh girth and handgrip, but not with standing long jump or the sit-to-stand test. A stepwise multipleregression analysis was calculated using the predictor thigh girth and standing long jump to predict knee extensor maximal strength (R 2 = 0.295). To predict knee extensor muscle thickness, the predictor thigh girth was calculated (R 2 = 0.381). Conclusions: Knee extensor muscle strength and size could be evaluated by the field-based simplified approaches, in particular by the thigh girth measurement, which may be a major determinant to maintain activities of daily living for healthy young women. However, the 4 field-based simplified approaches appear to be still not of high impact.

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Section: Discussioncontrasting

confidence: 52%

Field-Based Simplified Approach of Evaluating Knee Extensor Muscle Strength and Size in University Freshmen Women

Yasuda¹

2019

Journal of Sport Rehabilitation

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“…Previously, some studies have reported that upper-leg 50% girth was not correlated with knee extensor muscle strength or size, therefore these should not be used as indicators [27,28]. This discrepancy might result from the different gender used in the previous studies compared to our study.…”

Section: Upper-leg 50% Girth Measurementcontrasting

confidence: 55%

“…Previous studies have demonstrated that there was great variability in subcutaneous fat among women compared with men [29,30]. All subjects in the present study were men, while the previous studies had included both men and women (healthy subjects or patients) [27,28]. Consequently, our results suggested that upper-leg 50% girth measurement rather than handgrip strength test was a useful method for evaluating both knee extensor muscle strength and size in healthy young men.…”

Section: Upper-leg 50% Girth Measurementmentioning

confidence: 53%

Field-based Simplified Approach of Evaluating Knee Extensor Muscle Strength and Size in Male University Freshmen

Yasuda¹,

Ichikawa²

2016

JSS

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Abstract:The purpose of this study was to examine the relationship between field-based simplified approaches and knee extensor muscle strength/size in young men. Knee extensor muscle thickness (MT) of 104 healthy university freshmen was measured at the anterior half of thigh length; maximal voluntary isometric contraction (MVIC) was measured when subjects performed knee extension. Field-based simplified approaches [sit-to-stand, standing long jump (SLJ), handgrip and upper-leg-50% (thigh) girth] were also measured. MVIC was correlated with SLJ (r = 0.361, P < 0.001), handgrip (r = 0.523, P < 0.001) and thigh girth (r = 0.401, P < 0.001), but not with the sit-to-stand test (r = 0.126, P > 0.05). MT was correlated with handgrip (r = 0.317, P < 0.001) and thigh girth (r = 0.632, P < 0.001), but not with SLJ (r = 0.038, P > 0.05) or the sit-to-stand test (r = 0.145, P > 0.05). A stepwise multiple-regression analysis was applied to the predictor thigh girth to predict knee extensor MT (R 2 = 0.399). To predict knee extensor MVIC, the predictor handgrip, thigh girth and SLJ were applied (R 2 = 0.381). In conclusion, knee extensor muscle strength/size could be evaluated by the field-based simplified approaches, in particular by the thigh girth measurement, which may be major determinant to maintain activities of daily living for healthy young men. However, the 4 field-based simplified approaches appear to be still not of high impact.

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“…Although measurement of thigh circumference is simple and cheap, it may not accurately reflect local muscle mass (280). Alternatively, computed tomography (280), magnetic resonance imaging (MRI) (452), and ultrasonography (247) have been used to assess quadriceps size in COPD. Using MRI-based threedimensional shape analysis, regional shape anomalies of individual muscles were demonstrated in patients with COPD (453).…”

Section: American Thoracic Society Documentsmentioning

confidence: 99%

An Official American Thoracic Society/European Respiratory Society Statement: Update on Limb Muscle Dysfunction in Chronic Obstructive Pulmonary Disease

Maltais¹,

Decramer²,

Casaburi³

et al. 2014

Am J Respir Crit Care Med

871

1,033

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Estimation of Thigh Muscle Mass With Magnetic Resonance Imaging in Older Adults and People With Chronic Obstructive Pulmonary Disease

Cited by 70 publications

References 24 publications

Field-Based Simplified Approach of Evaluating Knee Extensor Muscle Strength and Size in University Freshmen Women

Field-Based Simplified Approach of Evaluating Knee Extensor Muscle Strength and Size in University Freshmen Women

Field-based Simplified Approach of Evaluating Knee Extensor Muscle Strength and Size in Male University Freshmen

An Official American Thoracic Society/European Respiratory Society Statement: Update on Limb Muscle Dysfunction in Chronic Obstructive Pulmonary Disease

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