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  • Title: Relationships between trunk muscle strength, spinal mobility, and balance performance in older adults.
    Author: Granacher U, Lacroix A, Roettger K, Gollhofer A, Muehlbauer T.
    Journal: J Aging Phys Act; 2014 Oct; 22(4):490-8. PubMed ID: 24152575.
    Abstract:
    This study investigated associations between variables of trunk muscle strength (TMS), spinal mobility, and balance in seniors. Thirty-four seniors (sex: 18 female, 16 male; age: 70 ± 4 years; activity level: 13 ± 7 hr/week) were tested for maximal isometric strength (MIS) of the trunk extensors, flexors, lateral flexors, rotators, spinal mobility, and steady-state, reactive, and proactive balance. Significant correlations were detected between all measures of TMS and static steady-state balance (r = .43-.57, p < .05). Significant correlations were observed between specific measures of TMS and dynamic steady-state balance (r = .42-.55, p < .05). No significant correlations were found between all variables of TMS and reactive/proactive balance and between all variables of spinal mobility and balance. Regression analyses revealed that TMS explains between 1-33% of total variance of the respective balance parameters. Findings indicate that TMS is related to measures of steady-state balance which may imply that TMS promoting exercises should be integrated in strength training for seniors.
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