The Independent Relationship Between Leg Skeletal Muscle Mass Asymmetry and Gait Speed in Community-Dwelling Older Adults

Iwasaka, Chiharu; Mitsutake, Tsubasa; Horikawa, Etsuo

doi:10.1123/japa.2019-0463

Cited by 2 publications

(7 citation statements)

References 32 publications

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“…In addition, the present study is novel in that the association between leg skeletal muscle mass asymmetry and gait speed was confirmed in a group of older adults requiring long‐term care. The average asymmetry index of leg skeletal muscle mass of older adults living in the general area has been reported to be 2.02% 11 . The average asymmetry index of leg skeletal muscle mass in the present study was 3.20%, indicating an older population with a higher asymmetry index compared with previous studies.…”

Section: Discussioncontrasting

confidence: 56%

“…The average asymmetry index of leg skeletal muscle mass of older adults living in the general area has been reported to be 2.02%. 11 The average asymmetry index of leg skeletal muscle mass in the present study was 3.20%, indicating an older population with a higher asymmetry index compared with previous studies. Therefore, the percentage of asymmetry in leg skeletal muscle mass is higher among older adults requiring long-term care than among those not requiring it, and the results of this study suggest that the asymmetry index of leg skeletal muscle mass has a greater impact on gait speed than does SMI.…”

Section: Discussionmentioning

confidence: 99%

“…SMI was calculated according to the method given by Baumgartner et al 14 The measurements were taken in a standing position, and the index of skeletal muscle mass of the lower limb was divided by the square of height (L-SMI). The asymmetry index of L-SMI was defined, on the basis of previous studies that examined muscle mass asymmetry using the bioimpedance method, as follows: 11 Asymmetry index of leg skeletal muscle mass % ð Þ ¼ higher side of L À SMIlower side of L À SMI À Á =higher side of L À SMI Â 100…”

Section: Asymmetry Index Of Leg Skeletal Muscle Massmentioning

confidence: 99%

“…5 Previous studies have reported that factors such as age, balance, leg muscle strength, and skeletal muscle mass affect gait speed in older adults. [5][6][7][8][9][10] Furthermore, asymmetry in skeletal muscle mass has been reported to affect gait speed; 11 however, in this report on the association between the asymmetry index of leg skeletal muscle mass and gait speed, a cutoff value for leg skeletal muscle mass asymmetry that might affect gait speed was not identified, as an association was found with multivariate analysis but not with univariate analysis. Because reduced gait speed is a predictor of further deterioration in level of care for older adults requiring long-term care, 12 it is important to assess and intervene in the gait of older adults requiring long-term care who are walking more slowly than the general community of older adults.…”

Section: Introductionmentioning

confidence: 99%

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Leg skeletal muscle mass asymmetry is independently associated with gait speed in older adults requiring long‐term care

Sato

Sawaya

Ishizaka

et al. 2023

Geriatrics Gerontology Int

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Decreased gait speed in older adults has been associated with incident disability, cognitive impairment, institutionalization, falls, deterioration in level of care, and mortality. Gait speed has been reported to be related to leg asymmetry. However, the relationship between gait speed and leg skeletal muscle mass asymmetry in older adults requiring longterm care has not been clarified. In this study, we examined the association between gait speed and leg skeletal muscle mass asymmetry and the cutoff values of leg skeletal muscle mass asymmetry that may affect gait speed. Methods:The asymmetry index of leg skeletal muscle mass was measured in 230 older adults under the Japanese long-term care insurance system using bioelectrical impedance analysis. This cross-sectional study used multiple regression analysis and receiver operating characteristic (ROC) curve analysis to determine the relationship between gait speed and the asymmetry index of leg skeletal muscle mass.Results: Multiple regression analysis revealed that the asymmetry index of leg skeletal muscle mass (β = À0.19, P = 0.002, R 2 = 0.261) was independently and significantly associated with gait speed. Furthermore, ROC analysis showed that the cutoff value of the asymmetry index of leg skeletal muscle mass that identified reduced gait speed (<1.0 m/s) was 3.02% (Area under the curve = 0.62, sensitivity 47.3%, specificity 81.0%, P = 0.014). Conclusions:The asymmetry index of leg skeletal muscle mass was associated with gait speed in older adults requiring long-term care. Future assessment and interventions directed towards symmetry of leg skeletal muscle mass may help to improve gait speed in older adults.

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Section: Discussioncontrasting

confidence: 56%

Section: Discussionmentioning

confidence: 99%

Section: Asymmetry Index Of Leg Skeletal Muscle Massmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Leg skeletal muscle mass asymmetry is independently associated with gait speed in older adults requiring long‐term care

Sato

Sawaya

Ishizaka

et al. 2023

Geriatrics Gerontology Int

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“…Asymmetry in limb muscle strength affects a variety of physical abilities. Lower-limb muscle power asymmetry has been reported to be related to gait speed and knee joint health [ 1 , 2 , 3 ]. Additionally, asymmetry of handgrip strength is associated with physical problems such as lower cognitive function, neurodegenerative disorders, functional disability, future falls, fractures, and shortened time to mortality in elderly people [ 4 , 5 , 6 , 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Upper Extremity Skeletal Muscle Mass Asymmetry Exacerbated by Shoulder Imbalance in Lenke1A Adolescent Idiopathic Scoliosis

Ohba

Goto

Tanaka

et al. 2022

JCM

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Limb muscle strength asymmetry affects many physical abilities. The present study (1) quantified limb muscle asymmetry in patients with adolescent idiopathic scoliosis (AIS); (2) compared AIS patients with major thoracolumbar/lumbar (TL/L) or major thoracic (MT) curves; (3) examined correlations between limb muscle asymmetry and radiographic parameters. Patients with AIS with major TL/L curves (Lenke type 5C) and MT curves (Lenke Type 1A) who underwent posterior spinal fusion at our university hospitals were included. Patients with left hand dominance were excluded. Body composition was measured using whole-body dual-energy X-ray absorptiometry and asymmetry of left and right side skeletal muscles were evaluated. Upper extremity skeletal muscles on the dominant side were significantly larger than those on the nondominant side in both Lenke1A and 5C groups. The asymmetry of upper extremity skeletal muscles was significantly greater in the Lenke1A group than in the Lenke5C group. Additionally, the size of the asymmetry did not correlate with the magnitude of the major curve and rotational deformation but did correlate with a right shoulder imbalance in the Lenke1A group. These results suggest that in AIS with a constructive thoracic curve, right shoulder imbalance is an independent risk factor for upper extremity skeletal muscle asymmetry.

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The Independent Relationship Between Leg Skeletal Muscle Mass Asymmetry and Gait Speed in Community-Dwelling Older Adults

Cited by 2 publications

References 32 publications

Leg skeletal muscle mass asymmetry is independently associated with gait speed in older adults requiring long‐term care

Leg skeletal muscle mass asymmetry is independently associated with gait speed in older adults requiring long‐term care

Upper Extremity Skeletal Muscle Mass Asymmetry Exacerbated by Shoulder Imbalance in Lenke1A Adolescent Idiopathic Scoliosis

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