运动性疲劳.ppt

,*,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,竞技健美操的运动性疲劳,王华燕 周凤萍 刘明,1982年在美国举行的第5 届国际运动医学生物化学会议上对疲劳的定义是:机体生理过程不能维持预定的运动强度而导致机体运动能力下降的现象。,健美操运动员的疲劳定义,：在健美操训练或比赛达到一定程度后,运动员本身各组织器官及全身机能暂时下降的一种身体状态,也是机体自身正常的一种保护性抑制。,能量物质耗竭产生疲劳,衰竭学说,中枢神经系统失调,保护性抑制学说,内环境物质代谢失调,内环境稳定性失调学说,产生机制,竞技健美操运动训练是以无氧糖酵解供能为主的大强度运动，直,接能量来源于骨骼肌中的ATP。,Description of the contents,训练负荷的加大，体,内,肌糖元大量分解消耗,，,肌肉中发生ATP和CP的最大消耗和乳酸的,最大堆积,竞技健美操训练时出现HL值升高，血液PH值降低，发生代偿性酸中毒，致使ATP合成量减少，影响肌肉运动,能力，导致疲劳产生。,竞技健美操,训,练ATP的合成主要依靠糖的无氧酵解,能量物质耗竭产生疲劳,衰竭学说,内环境物质代谢失调,内环境稳定性失调学说,机体内环境物质代谢功能失调,能源物质,消耗增多,大运动量,训练,以乳酸能为主要能量来源,体内维生素含量下降以及无机盐、水分等减少,机体不能继续工作而产生疲劳,保护性抑制学说认为，无论是脑力疲劳还是体力疲劳都是大脑皮层保护性抑制发展的结果,竞,技健美操运动独特的运动形式，使大量兴奋冲动向大脑皮层相应的神经细胞传递，当神经细胞长时间兴奋冲动导致能源物质消耗增多，消耗达到一定程度时，相应的神经细胞便产生保护性抑制，出现中枢神经的支配失调，运动能力下降，产生疲劳,。,大运动量竞技健美操训练，大量的血液流入肌内而相应减少了对大脑的供求量，致使脑p H值下降，使大脑神经细胞的供氧量暂时,不,足，造成运动能力下降而产生疲劳,中枢神经系统失调,保护性抑制学说,教学观察和自我观察,生理机能检查,生化指标评定,血乳酸,血红蛋白,睾酮皮质醇比值,血清肌酸激酶,自我监督,教学观察评定,脉搏检查法,呼吸肌耐力测定法,肌力检测法,2000,2004,2008,“ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.”,“ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.”,“ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.”,Text in here,Description of the contents,Description of the contents,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Text in here,Text in here,20%,40%,80%,100%,120%,140%,160%,2000,2002,2004,2006,2008,2010,Description of the contents,Description of the contents,90%,Text in here,155%,Text in here,contents,contents,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Text in here,Text in here,Text in here,Text in here,Description of the contents,Text in here,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Text in here,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Text in here,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Text in here,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Description of the contents,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Description of the business,Description of the business,Description of the business,Image Info,www.wizdata.co.kr,Note to customers:This image has been licensed to be used within this PowerPoint template only.You may not extract the image for any other use.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Title in here,Title in here,Title in here,Title in here,A,B,C,D,Title in here,Description of the contents,Description of the contents,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Description of the contents,Description of the contents,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Text in here,Text in here,Text in here,Text in here,Text in here,Text in here,Text in here,Text in here,Description of the contents,Description of the contents,Description of the contents,Description of the contents,Description of,the contents,Description of,the contents,Text in here,Text in here,Title in here,Company,LOGO,2008.01,2006 2007,2005 2006,2004 2005,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content&Contents mall developed by Guild Design Inc.,Text in,here,Text in,here,Text in,here,Text in,here,Text in,here,Text in,here,Text in,here,Text in,here,Text in,here,Text in,here,Text in here,CEO,Your text in here,Your text in here,Your text in here,Your text in here,Your text in here,Your text in here,Your text in here,Your text in here,Your text in here,Your text in here,Thank You!,