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Lower Limb Strength Profile in Elderly with Different Pathologies: Comparisons with Healthy Subjects.

ABSTRACT: Sarcopenia and muscle strength reduction are a frequent disorder in non-communicable chronic diseases. The aims of this study are: a) to verify if the absolute and relative to body weight muscle strength of lower limb is affected by the presence of pathology; b) to verify if the trends are different among knee and ankles joints. One-hundred and forty-five elderly were recruited (16 liver transplant recipients, 48 kidney transplant recipients, 52 elderly with obesity, 30 healthy elderly). Muscular strength of lower limb was evaluated. Evaluation protocol included maximal isometric knee extension, maximal isokinetic knee extension and flexion, maximal isokinetic ankle (both right and left) extension and flexion. A statistically significant interaction between measurement and group membership was found for absolute strength measure (F(4.23, 170.56) = 3.316, p = 0.011, partial ?2 (?2p) = 0.076), and relative strength measure(F(4.44, 174.72) = 16.407, p < 0.01, partial ?2 (?2p) = 0.294). Elderly patients living with kidney transplants showed the lower level of absolute muscular strength, while relative muscular strength is mainly lacking in the elderly with obesity. The strength profile of elderly subjects is affected by obesity, liver transplantation, and kidney transplantation.

SUBMITTER: Bullo V

PROVIDER: S-EPMC7709664 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Lower Limb Strength Profile in Elderly with Different Pathologies: Comparisons with Healthy Subjects.

Bullo Valentina V Roma Enrico E Gobbo Stefano S Duregon Federica F Bergamo Manuele M Bergamo Manuele M Bianchini Gioia G Doria Eleonora E Cugusi Lucia L Blasio Andrea di AD Bocalini Danilo Sales DS Ermolao Andrea A Bergamin Marco M

Geriatrics (Basel, Switzerland) 20201022 4

Sarcopenia and muscle strength reduction are a frequent disorder in non-communicable chronic diseases. The aims of this study are: a) to verify if the absolute and relative to body weight muscle strength of lower limb is affected by the presence of pathology; b) to verify if the trends are different among knee and ankles joints. One-hundred and forty-five elderly were recruited (16 liver transplant recipients, 48 kidney transplant recipients, 52 elderly with obesity, 30 healthy elderly). Muscula ...[more]

PMID: 33105620

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Project description:ObjectiveTo determine whether lower body strength such as keen extension and flexion strength may be improved by Tai Chi exercise in older adults from the perspective of evidence-based medicine.MethodsDatabases of PubMed, Embase, and Cochrane Library were searched up to July 1, 2021. Randomized clinical trials are adopted to compare Tai Chi exercise with sedentary behavior or other low intensity exercise in terms of influence on lower body strength rehabilitation, especially keen extension and flexion strength in people aged over 60. A meta-analysis was performed to discuss outcomes of lower body strength, knee muscle strength, and knee extension/flexion strength.ResultsA total of 25 randomized trials involving 1995 participants fulfilled the inclusion criteria. (1) Tai Chi exercise significantly improved elderly lower body strength (-0.54, [-0.81, -0.28], p < 0.00001, I 2 = 74%), but there was no differential improvement in the strength of the knee joints (0.10, [-0.02, 0.23], p=0.11, I 2 = 34%). (2) Elderly individual lower body strength declined with age, while this trend was suppressed by Tai Chi exercise (-0.35, [0.14, 0.56], p=0.001, I 2 = 70%). (3) Although Tai Chi exercise did no significantly improve the large muscle group of knee joint extensor like quadriceps femoris (3.15, [-0.69, 6.99], p=0.24, I 2 = 26%), it showed marked enhancement to the strength of deep small muscle group of knee joint flexor (10.25, [6.90, 13.61], p < 0.00001, I 2 = 0%). The heterogeneity might be caused by distinguished measurements of muscle strength. Therefore, Tai Chi exercise specifically enhanced some certain muscle strength of knee joints and improved muscle fitness rehabilitation as well as function activity for elderly.ConclusionsIn this RCT meta-analysis, Tai Chi exercise has positive effects on lower body strength of elderly. Although no obvious improvement on the knee extensor is observed, it may be used as a rehabilitation treatment for training stable deep muscle groups to improve the knee flexion strength significantly.

Dataset Information

Lower Limb Strength Profile in Elderly with Different Pathologies: Comparisons with Healthy Subjects.

Publications

Lower Limb Strength Profile in Elderly with Different Pathologies: Comparisons with Healthy Subjects.

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