{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T15:14:53Z","timestamp":1787498093910,"version":"build-2736575974"},"reference-count":26,"publisher":"The Japan Geriatrics Society","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nippon Ronen Igakkai Zasshi","Nihon Ronen Igakkai Zasshi","Jpn J Geriat","Jpn. j. geriat"],"published-print":{"date-parts":[[2022,10,25]]},"DOI":"10.3143\/geriatrics.59.491","type":"journal-article","created":{"date-parts":[[2022,12,5]],"date-time":"2022-12-05T17:11:25Z","timestamp":1670260285000},"page":"491-500","source":"Crossref","is-referenced-by-count":8,"title":["Changes in the physical fitness of elderly people in the COVID-19 pandemic: An examination using performance tests","\u65b0\u578b\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u75c7\u6d41\u884c\u4e0b\u306e\u9ad8\u9f62\u8005\u306e\u4f53\u529b\u306e\u5909\u5316\uff5e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u3092\u7528\u3044\u305f\u691c\u8a0e\uff5e"],"prefix":"10.3143","volume":"59","author":[{"given":"Kaori","family":"Teraoka","sequence":"first","affiliation":[{"name":"Graduate School of Comprehensive Human Sciences, Degree Programs in Comprehensive Human Sciences, University of Tsukuba"},{"name":"Tokyo Health Cooperative Association"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taishi","family":"Tsuji","sequence":"additional","affiliation":[{"name":"Faculty of Health and Sport Sciences, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Jindo","sequence":"additional","affiliation":[{"name":"Faculty of Health and Sport Sciences, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Satoshi","family":"Tokunaga","sequence":"additional","affiliation":[{"name":"Graduate School of Comprehensive Human Sciences, Degree Programs in Comprehensive Human Sciences, University of Tsukuba"},{"name":"Department of Rehabilitation, Ushio Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomohiro","family":"Okura","sequence":"additional","affiliation":[{"name":"Faculty of Health and Sport Sciences, University of Tsukuba"},{"name":"Research and Development Center for Tailor-Made QOL, University of Tsukuba"},{"name":"International Institute for Integrative Sleep Medicine, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1704","reference":[{"key":"1","unstructured":"1) WHO: \u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u75c5 (COVID-19). https:\/\/www.who.int\/emergencies\/diseases\/novel-coronavirus-2019 (accessed 2021-12-20)."},{"key":"2","unstructured":"2) NHK\u7279\u8a2d\u30b5\u30a4\u30c8: \u65b0\u578b\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9 \u611f\u67d3\u8005\u6570\u3084NHK\u6700\u65b0\u30cb\u30e5\u30fc\u30b9\uff5c2021. https:\/\/www3nhkorjp\/news\/special\/coronavirus\/ (accessed 2021-12-20)."},{"key":"3","unstructured":"3) \u5065\u5eb7\u9577\u5bff\u30cd\u30c3\u30c8: COVID-19\u306b\u3088\u308b\u9ad8\u9f62\u8005\u306e\u6d3b\u52d5\u3078\u306e\u5f71\u97ff\u3068\u793e\u4f1a\u53c2\u52a0\uff5c2021. https:\/\/www.tyojyuorjp\/net\/topics\/tokushu\/covid-19-frailty-taisaku\/covid-19-koreishakatsudo-eikyo-shakaisanka.html (accessed 2021-12-20)."},{"key":"4","doi-asserted-by":"crossref","unstructured":"4) Shinohara T, Saida K, Tanaka S, Murayama A: Association between frailty and changes in lifestyle and physical or psychological conditions among older adults affected by the coronavirus disease 2019 countermeasures in Japan. Geriatrics & gerontology international 2021; 21: 39-42.","DOI":"10.1111\/ggi.14092"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5) Visser M, Schaap LA, Wijnhoven HAH: Self-Reported Impact of the COVID-19 Pandemic on Nutrition and Physical Activity Behaviour in Dutch Older Adults Living Independently. Nutrients 2020; 12: 3708.","DOI":"10.3390\/nu12123708"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6) Yamada M, Kimura Y, Ishiyama D, Otobe Y, Suzuki M, Koyama S, et al.: Effect of the COVID-19 Epidemic on Physical Activity in Community-Dwelling Older Adults in Japan: A Cross-Sectional Online Survey. The Journal of Nutrition, Health & Aging 2020; 1-3.","DOI":"10.1007\/s12603-020-1501-6"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7) Yamada M, Kimura Y, Ishiyama D, Otobe Y, Suzuki M, Koyama S, et al.: The Influence of the COVID-19 Pandemic on Physical Activity and New Incidence of Frailty among Initially Non-Frail Older Adults in Japan: A Follow-Up Online Survey. The journal of nutrition, health & aging 2021; 25: 751-756.","DOI":"10.1007\/s12603-021-1634-2"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8) Okura T, Tsuji T, Tsunoda K, Kitano N, Yoon JY, Saghazadeh M, et al.: Study protocol and overview of the Kasama Study: Creating a comprehensive, community-based system for preventive nursing care and supporting successful aging. J Phys Fitness Sports Med 2017; 6: 49-57.","DOI":"10.7600\/jpfsm.6.49"},{"key":"9","unstructured":"9) \u5065\u5eb7\u9577\u5bff\u30cd\u30c3\u30c8: \u9ad8\u9f62\u8005\u306e\u4f53\u529b\u6e2c\u5b9a\uff5c2021. https:\/\/www.tyojyu.or.jp\/net\/kenkou-tyoju\/tairyoku-kiki\/tairyoku-sokutei.html (accessed 2021-12-20)."},{"key":"10","unstructured":"10) \u6587\u90e8\u79d1\u5b66\u7701: \u65b0\u4f53\u529b\u30c6\u30b9\u30c8\u5b9f\u65bd\u8981\u9805\uff5c2021. https:\/\/wwwmextgojp\/a_menu\/sports\/stamina\/03040901.htm (accessed 2021-12-20)."},{"key":"11","unstructured":"11) \u539a\u751f\u52b4\u50cd\u7701\u4ecb\u8b77\u4e88\u9632\u30de\u30cb\u30e5\u30a2\u30eb\u6539\u8a02\u59d4\u54e1\u4f1a: \u4ecb\u8b77\u4e88\u9632\u30de\u30cb\u30e5\u30a2\u30eb\u6539\u8a02\u7248\uff5c2021. https:\/\/www.mhlw.go.jp\/topics\/2009\/05\/dl\/tp0501-1_1.pdf (accessed 2021-12-20)."},{"key":"12","unstructured":"12) \u5065\u5eb7\u9577\u5bff\u30cd\u30c3\u30c8: \u9ad8\u9f62\u8005\u306e\u63e1\u529b\u6e2c\u5b9a\uff5c2021. https:\/\/www.tyojyu.or.jp\/net\/kenkou-tyoju\/tairyoku-kiki\/kinryoku.html (accessed 2021-12-20)."},{"key":"13","unstructured":"14) \u5065\u5eb7\u9577\u5bff\u30cd\u30c3\u30c8: \u4f53\u524d\u5c48\u6e2c\u5b9a\u306e\u6e2c\u5b9a\u65b9\u6cd5\uff5c2021. https:\/\/www.tyojyu.or.jp\/net\/kenkou-tyoju\/tairyoku-kiki\/suichoku-tobi-sokutei.html (accessed 2021-12-20)."},{"key":"14","unstructured":"15) \u5065\u5eb7\u9577\u5bff\u30cd\u30c3\u30c8: \u9ad8\u9f62\u8005\u306e\u6b69\u884c\u80fd\u529b\u3068\u75c5\u6c17\u306e\u95a2\u9023\uff5c2021. https:\/\/wwwtyojyuorjp\/net\/kenkou-tyoju\/undou-kiso\/hokou.html (accessed 2021-12-20)."},{"key":"15","doi-asserted-by":"publisher","unstructured":"16) \u6c5f\u85e4\u6587\u592b, \u539f\u6fa4\u9053\u7f8e, \u5e73\u4e95\u4fca\u7b56: \u624b\u6307\u5de7\u7dfb\u52d5\u4f5c\u306b\u304a\u3051\u308b\u52a0\u9f62\u306e\u5f71\u97ff. \u65e5\u672c\u8001\u5e74\u533b\u5b66\u4f1a\u96d1\u8a8c 1983; 20: 405-409.","DOI":"10.3143\/geriatrics.20.405"},{"key":"16","doi-asserted-by":"publisher","unstructured":"17) Okura T, Saghazadeh M, Soma Y, Tsunoda K: Physical fitness, physical activity, exercise training and cognitive function in older adults. The Journal of Physical Fitness and Sports Medicine 2013; 2: 275-286.","DOI":"10.7600\/jpfsm.2.275"},{"key":"17","doi-asserted-by":"publisher","unstructured":"18) \u5c39 \u667a\u668e, \u5927\u85cf\u502b\u535a, \u89d2\u7530\u61b2\u6cbb, \u8fbb \u5927\u58eb, \u9d3b\u7530\u826f\u679d, \u4e09\u30c3\u77f3\u6cf0\u5927\u307b\u304b: \u9ad8\u9f62\u8005\u306b\u304a\u3051\u308b\u8a8d\u77e5\u6a5f\u80fd\u3068\u8eab\u4f53\u6a5f\u80fd\u306e\u95a2\u9023\u6027\u306e\u691c\u8a0e. \u4f53\u529b\u79d1\u5b66 2010; 59: 313-322.","DOI":"10.7600\/jspfsm.59.313"},{"key":"18","doi-asserted-by":"publisher","unstructured":"19) \u89d2\u7530\u61b2\u6cbb, \u8fbb \u5927\u58eb, \u5c39 \u667a\u668e, \u6751\u6728\u654f\u660e, \u5927\u85cf\u502b\u535a: \u5730\u57df\u5728\u4f4f\u9ad8\u9f62\u8005\u306e\u4f59\u6687\u6d3b\u52d5\u91cf, \u5bb6\u5ead\u5185\u6d3b\u52d5\u91cf, \u4ed5\u4e8b\u95a2\u9023\u6d3b\u52d5\u91cf\u3068\u8eab\u4f53\u6a5f\u80fd\u3068\u306e\u95a2\u9023\u6027. \u65e5\u672c\u8001\u5e74\u533b\u5b66\u4f1a\u96d1\u8a8c 2010; 47: 592-600.","DOI":"10.3143\/geriatrics.47.592"},{"key":"19","doi-asserted-by":"crossref","unstructured":"20) Ramsey KA, Rojer AGM, D'Andrea L, Otten RHJ, Heymans MW, Trappenburg MC, et al.: The association of objectively measured physical activity and sedentary behavior with skeletal muscle strength and muscle power in older adults: A systematic review and meta-analysis. Ageing Res Rev 2021; 67: 101266.","DOI":"10.1016\/j.arr.2021.101266"},{"key":"20","doi-asserted-by":"publisher","unstructured":"21) Aoyagi Y, Park H, Watanabe E, Park S, Shephard RJ: Habitual physical activity and physical fitness in older Japanese adults: the Nakanojo Study. Gerontology 2009; 55: 523-531.","DOI":"10.1159\/000236326"},{"key":"21","unstructured":"23) \u9752\u6728\u7d14\u4e00\u90ce: \u9ad8\u9f62\u8005\u306e\u53cd\u5fdc\u6642\u9593. \u4f53\u80b2\u79d1\u5b66 1991; 19: 67-72."},{"key":"22","doi-asserted-by":"publisher","unstructured":"26) \u963f\u90e8 \u5de7, \u5317\u6fc3\u6210\u6a39, \u8fbb \u5927\u58eb, \u76f8\u99ac\u512a\u6a39, \u91d1 \u7f8e\u73cd, \u5c39 \u4e4b\u6069\u307b\u304b: \u30ed\u30b3\u30c1\u30a7\u30c3\u30af\u3068\u8eab\u4f53\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u306e\u95a2\u9023. \u4f53\u80b2\u6e2c\u5b9a\u8a55\u4fa1\u7814\u7a76 2017; 16: 27-34.","DOI":"10.14859\/jjtehpe.16.27"},{"key":"23","doi-asserted-by":"publisher","unstructured":"27) \u4e38\u5c71\u4ec1\u53f8: \u8001\u4eba\u306e\u8a55\u4fa1. \u7406\u5b66\u7642\u6cd5\u79d1\u5b66 1997; 12: 141-147.","DOI":"10.1589\/rika.12.141"},{"key":"24","unstructured":"28) \u653f\u5e9c\u7d71\u8a08\u306e\u7dcf\u5408\u7a93\u53e3: \u4ee4\u548c\u5143\u5e74\u5ea6\u4f53\u529b\u30fb\u904b\u52d5\u80fd\u529b\u8abf\u67fb\uff5c2020. https:\/\/www.e-stat.go.jp\/stat-search\/files?page=1&layout=datalist&toukei=00402102&tstat=000001088875&cycle=0&tclass1=000001145807&tclass2val=0 (accessed 2022-4-18)."},{"key":"25","unstructured":"29) \u653f\u5e9c\u7d71\u8a08\u306e\u7dcf\u5408\u7a93\u53e3: \u4ee4\u548c2\u5e74\u5ea6\u4f53\u529b\u30fb\u904b\u52d5\u80fd\u529b\u8abf\u67fb\uff5c2021. https:\/\/www.e-stat.go.jp\/stat-search\/files?page=1&toukei=00402102&tstat=000001088875 (accessed 2022-3-19)."},{"key":"26","unstructured":"30) \u653f\u5e9c\u7d71\u8a08\u306e\u7dcf\u5408\u7a93\u53e3: \u4ee4\u548c2\u5e74\u5ea6\u4f53\u529b\u30fb\u904b\u52d5\u80fd\u529b\u8abf\u67fb\u7d50\u679c\u306e\u6982\u8981 (\u901f\u5831) \uff5c2021. https:\/\/www.mext.go.jp\/sports\/content\/20210420-spt_kensport01-000014364_2.pdf (accessed 2022-4-19)."}],"container-title":["Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/geriatrics\/59\/4\/59_59.491\/_pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,5,10]],"date-time":"2024-05-10T01:08:17Z","timestamp":1715303297000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/geriatrics\/59\/4\/59_59.491\/_article\/-char\/ja\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,10,25]]},"references-count":26,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2022]]}},"URL":"https:\/\/doi.org\/10.3143\/geriatrics.59.491","relation":{},"ISSN":["0300-9173"],"issn-type":[{"value":"0300-9173","type":"print"}],"subject":[],"published":{"date-parts":[[2022,10,25]]},"article-number":"59.491"}}