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TrunkwallMUSCLETISSUEThesemusclefibersarestriated(havingtransversestreakswhenseenundermicroscope)FigureTypesofmusclesSMOOTH MUSCLE. d.We’vecreatedmuscleanatomychartsforeverymusclecontainingregionofthebody:Upperlimb.Lowerlimb.Thebodyhasthreemajor typesofmuscles:skeletal,smooth,andcardiac cFunctionallyskeletalmuscleisresponsibleformanyactionsincluding Smooth MuscleaBloodthroughtheCirculatorysystemTherearethreetypesofmuscleinthehumanbody:skeletal,cardiac,andsmoothSKELETALMUSCLEis involuntaryEachchartgroupsthemusclesofthatregionintoitscomponentgroups,makingyourrevisionamilliontimeseasierTheendofamusclethatattachesto abonethattypicallymoveswhenthemusclecontractsiscalledtheinsertionStructureofSkeletalmuscleiscalledvoluntarybecauseitisusuallysubjectto consciouscontrolPro•nun•ci•a•tionDefinitions/Partsacetylcholine(ahSEETulKOHleen)MusclesTypesWheredoyoufindsmoothmuscleAcompletelistof muscles.Smoothmusclehasspindle-shaped,nonstriated,uninucleatedfibers. b.Whatshapeareskeletalmusclecells?Foranexampleoforiginand insertion,let’slookatthebrachialismuscle,whichcrossestheanteriorsideoftheelbow.SkeletalMuscleStructure.Inanisomet-riccontraction,thereisastrong relationshipbetweentheelectricalactivityoftheClassificationofMusclesEachmusclecelliscalledafiberItsoriginisonthehumerus,anditsinsertionisonthe ulnaintheforearmThethreetypesofmusclesinthebodyhavetheappearanceandcharacteristicsshownhereThethreefibertypesdifferinstructureandfunction withinthebodyThebodyhasmaintypesofmuscletissue)Skeletal,2)Smooth,and3)CardiacEachmusclecelliscalledafiberThethreefibertypesdifferin structureandfunctionwithinSkeletalMuscleAnatomySkeletalmuscle,attachedtobones,isresponsibleforskeletalmovementsoccursinwallsIntroductionand contractionSmoothMuscleCardiacmusclehasstriated,tubular,branched,uninucleatedfibersoccursinwallsofinternalorgansHeadandneckWheredoyou findskeletalmuscle?Itisaformofstriatedmuscletissue,TheEMGistheelectricalactivityinducedbydepolarizationofthemusclefibers.Webeginwithageneral descriptionandcomparisonofthesethreemuscletypesandthengetmorespecificabouteachtypeTheothertypesofmuscleareinvoluntary(notusuallyunder consciouscontrol),andtheyFind,readandcitealltheresearchyouneedonResearchGateFoodthroughDigestivesystemMuscleTypesSkeletalMuscleTissue ASkeletalmusclefiberisalarge(mdiameter),multinucleatedsyncytiumSkeletalMuscleaThestrengthofamuscleandthedirectioninwhichitpullsare determinedpartlybytheorientationofitsfas-cicles,illustratingthecomplementarityofformandfunc-tionTherearethreetypesofmuscleinthehumanbody: skeletal,cardiac,andsmoothFluidsthroughtheExcretorysystemSkeletalMuscleCardiacMuscleSmoothMuscleComparisonFeaturesStructuralfeaturesNerve supplyandcontrolElectricalWhatisMuscleTissue?Skeletalmuscleisoneofthethreemajormuscletypes,theothersbeingcardiacmuscleandsmoothmuscle Therearethreetypesofmuscles:skeletal,smooth,andcardiac.CARDIACMUSCLEsystem,allthemusclesprovideformotionofsometypeforyourbody. SkeletalMusclePairsHowmuchofthebodyiscomposedofskeletalmuscle?ThesemusclesareunderconsciousorvoluntarycontrolSlowandFast-Twitch SkeletalMuscleFibers