{"title":"模拟失重和月球重力对人类行走生物力学参数影响的研究。","authors":"A V Shpakov, A V Voronov","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The paper presents the results of a comparative analysis of the biomechanical characteristics human's walking before and after a stay in a long-term head-down bed rest at a -6 degrees angle simulating a microgravity (the HDBR-group) and in head-up bed rest (HUBR) at a +9.6 degrees angle as a analogue of lunar gravity (the HUBR-group). The biomechanical characteristics of the walking on a treadmill pace of 60 steps/minute before and after bed rest were analyzed. We investigated also the electromyographic characteristics of leg muscles and recorded the angles in the following joints: hip joint, knee joint and ankle joint. The most pronounced effect on the parameters of the humans walking was found in the HDBR-group. It was manifested in the changes of angles in the leg joints at various phases of a step change and in an electromyographic activity of muscles. Similar, but less pronounced changes of walking biomechanical characteristics were found after bed rest in the HUBR-group.</p>","PeriodicalId":21358,"journal":{"name":"Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova","volume":"102 10","pages":"1253-64"},"PeriodicalIF":0.0000,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[STUDY OF INFLUENCE OF SIMULATED WEIGHTLESSNESS AND LUNAR GRAVITY TO BIOMECHANICAL PARAMETERS OF HUMAN WALKING].\",\"authors\":\"A V Shpakov, A V Voronov\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The paper presents the results of a comparative analysis of the biomechanical characteristics human's walking before and after a stay in a long-term head-down bed rest at a -6 degrees angle simulating a microgravity (the HDBR-group) and in head-up bed rest (HUBR) at a +9.6 degrees angle as a analogue of lunar gravity (the HUBR-group). The biomechanical characteristics of the walking on a treadmill pace of 60 steps/minute before and after bed rest were analyzed. We investigated also the electromyographic characteristics of leg muscles and recorded the angles in the following joints: hip joint, knee joint and ankle joint. The most pronounced effect on the parameters of the humans walking was found in the HDBR-group. It was manifested in the changes of angles in the leg joints at various phases of a step change and in an electromyographic activity of muscles. Similar, but less pronounced changes of walking biomechanical characteristics were found after bed rest in the HUBR-group.</p>\",\"PeriodicalId\":21358,\"journal\":{\"name\":\"Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova\",\"volume\":\"102 10\",\"pages\":\"1253-64\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
[STUDY OF INFLUENCE OF SIMULATED WEIGHTLESSNESS AND LUNAR GRAVITY TO BIOMECHANICAL PARAMETERS OF HUMAN WALKING].
The paper presents the results of a comparative analysis of the biomechanical characteristics human's walking before and after a stay in a long-term head-down bed rest at a -6 degrees angle simulating a microgravity (the HDBR-group) and in head-up bed rest (HUBR) at a +9.6 degrees angle as a analogue of lunar gravity (the HUBR-group). The biomechanical characteristics of the walking on a treadmill pace of 60 steps/minute before and after bed rest were analyzed. We investigated also the electromyographic characteristics of leg muscles and recorded the angles in the following joints: hip joint, knee joint and ankle joint. The most pronounced effect on the parameters of the humans walking was found in the HDBR-group. It was manifested in the changes of angles in the leg joints at various phases of a step change and in an electromyographic activity of muscles. Similar, but less pronounced changes of walking biomechanical characteristics were found after bed rest in the HUBR-group.
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