Associations of age, sex, weight and dynamic balance capability with boat-race performance in professional boat racers: a cross-sectional study

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  • ボートレーサーの年齢，性別，体重および動的バランス能力と競技成績の関連―横断的調査による検討―
  • ボートレーサー ノ ネンレイ,セイベツ,タイジュウ オヨビ ドウテキ バランス ノウリョク ト キョウギ セイセキ ノ カンレン : オウダンテキ チョウサ ニ ヨル ケントウ

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Abstract

<p>Objective: This study aimed to examine the cross-sectional associations of age, sex, weight, and dynamic balance capability of professional boat racers with their boat-race performance.</p><p>Methods: The participants were 137 boat racers (aged 24 to 69 years, mean age 40.2 ± 8.2 years, BMI 19.5 ± 1.0 kg/m2) belonging to the Japan Motorboat Racing Association. We investigated the rates of winning the races of the race results that occurred from May 2016 to April 2017. We evaluated one-leg standing time with eyes closed (OLS) and modified index of postural stability (mIPS) using a force plate as an index of dynamic balance capability, from June to October 2016. The associations of age, sex, weight, and dynamic balance with rates of winning the races was examined using simultaneous multiple regression analysis.</p><p>Results: The multiple regression analysis indicated a significant associations of weight and mIPS with rates of winning the races (p < 0.001). Age, sex, and OLS were not significant factors related to rates of winning the races.</p><p>Conclusion: Professional boat racer’s rates of winning the races is suggested to be associated with weight and dynamic balance, not with age and sex.</p>

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