简介:<正>你知道自己应该锻炼深层肌肉,因为我们以前曾说过这有助于增加力量并预防受伤,特别是下半背部受伤。但是我们知道你几乎没有时间来锻炼主要的肌肉组织,更别提深层肌肉了。因此,下面这则消息对大家来说是一个好消息:最新研究发现单侧训练(每次只是单臂或一条腿)可有效的刺激中心肌肉。为了确定哪个动作是最佳动作,纽芬兰纪念大学的科学家们测试了三个主要中心肌肉群的活动状况——上腰椎肌肉、脊骨肌和下腹肌肉(包括深层横向腹肌和内腹斜肌)。被测试者在健身球上或平台上做几组中心训练动作{交替臂曲伸和交替腿曲伸,平行揪钮),和单侧、双侧哑铃胸前举和肩举。
简介:ObjectiveToinvestigatetheclinicalsingsandthepathologicaldiagnosisandthehistogenesisoftheleiomyosarcomaintheintravenousofgreatsaphenousandprofundaefemoris.MethodsTheclinicalangiographandomentopexygraftingandoncotomywereperford.Theclinicalangiographandomentopexygraftingandoncotomywereperford.ThepathologysamplesweresectionedroutineparaffinandstainedwithHE,Massonandtheimmunohistochomicalmethod(ABC)Desmin,Actin(Smoothmuscle)stainingandobservedwithlightmicroscope.ResultsObliterdtionofvenaeprofundaefemoriswasmanifestinbothtimewithangiograph.Thedilationinflexionvenaewasfindedwhichclinicoperationofforthefirsttimeandthetumorsituatedabove,inthegreatsaphenousveinandvenaeprofundaefemoris,benindtheintravascuofentrancewasfindedclinicoperationofforthesecondtime.Thehistosectionswasmanifestedtumor,consistingofnucleusheterotyicalstickalofthespindlecellanddiscoverypathologicalkaryokinesisnucleardivision.HistochemicalstainingMassonofcytoplasmiserythroidandtheimmunohistochemicalmethod(ABC)stainingDesmin,Actin(Smoothmuscle)werepositive.Pathologicaldiagnosisandconsultationresultsweredignosedleiomyosarcomainthegreatsaphenousveinandvenaeprofundaefemoris.ConclusionTheleiomyosarcomaisrareinthevenaeprofundaefemorisandgreatsaphenousveingenesisatatime.Thetumorswasgeneratedangitisandthrombosislatterintheclinicopathologicprocessmanifestation.
简介:乌药LinderaStrychnifonia(Sieb.etzuce.)vill属理气药,能行气导滞。常用于心胃气痛、呕吐、腹痛等症。近年来的实验研究表明,乌药能兴奋胃肠平滑肌,使其收缩活动加强、紧张性增加[‘]。本实验对乌药兴奋大鼠离体胃底条的作用机理进行探讨。l材料与方法1.l材料:称取适量乌药,按中药常规制备成1.og/Inl的水煎醇沉液备用。异丙酸,武汉滨湖制药厂产品;阿托品,武汉制药厂产品;酚妥拉明,上海旭东海普药业有限公司产品。1.2标本制备:大鼠体重25O-apg,雌雄均可。实验前禁食48小时,按文献方法制备离体胃底条【到,标本两端用线结扎,一端接通气钩,置了含10InlCreh