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- 石垣 尚男
- 愛知工業大学
書誌事項
- タイトル別名
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- The deterioration of visual acuity by 15 minutes cycle ergometer exercise and analysis of its factor
- 15分間の自転車エルゴメーター運動による視力低下と要因分析(資料)
- 15フンカン ノ ジテンシャ エルゴメーター ウンドウ ニ ヨル シリョク テ
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The purpose of this study was to investigate whether visual acuity improves or deteriorates by the exercise. Exercise was cycle ergometer pedaling for 15 minutes under the load; 20%, 50%, 80% of Maxmum Oxygen Intake of each subject with equal relative load among subjects. Accommodation function,Refraction and CFF (Critical Fusion Frequency) were measured for the investigation of the change of visual acuity. The subjects were 10 males (18-20 yrs) without eye diseases. 1. Visual acuity was deteriorated in all the cases of 20%, 50%, 80% Vo_2 max exercise load. The heavier the load, the more visual acuity deteriorated. Visual acuity recovered gradually after exercise in 20-30 minutes. 2. The heavier the load, the longer the near-point was extended, and recovered in about 20 minutes. 3. Deterioration of visual acuity and recovery process of visual acuity after exercise were similar to the changes of near-point. There was a significant correlation of 0.414 (p<0.05) between deterioration of visual acuity and extension of near-point immediately after exercise. 4. The frequency of accommodation fluctuation of crystalline lens was hardly changed. 5. Refraction (Sphere, Cylinder) was hardly changed. 6. CFF rose with every level of load. The heavier the load became, the higher CFF rose. Based on these reuslts, the main cause of the deterioration of visual acuity was assumed to be deterioration of accommodation function.
収録刊行物
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- 体育学研究
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体育学研究 33 (3), 185-192, 1988
一般社団法人 日本体育・スポーツ・健康学会
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詳細情報 詳細情報について
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- CRID
- 1390001204104502016
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- NII論文ID
- 10007695115
- 110001918741
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- NII書誌ID
- AN00409623
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- ISSN
- 18817718
- 04846710
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- NDL書誌ID
- 3226417
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可