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〔目的〕本研究の目的は高齢者のバランス能力と下肢筋力との関連性を検討し性差年齢老研式活動能力指標老 研式得点別でも検討を行うことである。〔対象〕高齢者69名で平均年齢は77.4歳であった。〔方法〕バランス能力は静止立位時重心動揺と Functional Reach TestFRTとし下肢筋力は膝伸筋と足背屈筋を測定した。年齢は中央値で78歳以下79歳以上に分類し老研式得点は11点未満11点以上に 分類した。〔結果〕静止立位時重心動揺と下肢筋力は負の相関を認めFRTと下肢筋力は正の相関を認めた。また女性79歳以上11点未満群では静止立 位時重心動揺と下肢筋力で負の相関を認め女性78歳以下11点以上群ではFRTと下肢筋力で正の相関を認めた。〔結語〕高齢者のバランス能力と下肢 筋力の関連性には性差年齢老研式得点によって異なる特徴があることが示唆された。[Purpose] We studied the relationship between balance ability and lower extremity muscular strength in the elderly, and compared the data by gender, age, and the TMIG index of competence scores. [Subjects] The subjects of this study were 69 persons with an average age of 77.4 years. [Methods] Balance ability was assessed using center of gravity sway data for a static-standing posture and the Functional Reach Test (FRT) scores. Lower extremity muscular strength was assessed using measurements of knee extensor and ankle dorsiflexor strengths. For the age group analysis, subjects were divided into those above and below the median age(.78 years and .79). For the activity level analysis, subjects were divided according to their TMIG index of competence score into those with scores of <11 and those with scores of .11. [Results] The study showed that lower extremity strength was negatively correlated with sway of center of gravity and positively correlated with FRT scores. Negative correlation between sway of the center of gravity and lower extremity strength was observed in women aged .79 whose TMIG index of competence score was <11. In contrast, lower extremity strength was positively correlated with FRT in women aged .78 whose TMIG index of competence score was .11. [Conclusion] In the elderly, there seem to be different characteristics that are dependent on physical ability in the relationship between balance ability and lower extremity muscular strength

rigaku ryōhō kagaku/rigaku ryoho kagaku

Relationship between Balance Ability and Lower Extremity Muscular Strength in the Elderly: Comparison by Gender, Age, and Tokyo Metropolitan Institute of Gerontology (TMIG) Index of Competence