Muscle Actions and Attachments.doc
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Muscle Actions and Attachments.doc

MuscleActionsandAttachments.doc

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StudyGuideforMusclesSTUDYHINTSFORLEARNINGMUSCLEATTACHMENTSANDACTIONSStudentsareadvisedtodoaminimumamountofpurememorization."Thinkthrough"theinformationtobelearned.Applyconceptslearnedinclass.Whatmakessense?Usecommonsense.1.Familiarizeyourselfwithgenerallocations,names,andappearancesofthemusclesyouwillbelearning.Youshouldbeabletoidentifyeachmuscletobestudiedonawallchartorintheillustrationsinyourbookbeforeproceeding.Rememberthatthenameofamuscleoftentellsyousomethingaboutthemuscleitself:a)attachmentsdigitorum-attachestothedigits(toesorfingers)digitiminimi-attachestolittletoeorlittlefingerhallucis-attachestothebigtoepollicis-attachestothethumbplantar-pertainstothesoleofthefootpalmar-pertainstothepalmofthehandcarpi-attachestothewristcapitis-attachestotheheadcervicis-attachestothecervicalregionorneckthoracis-attachestothethoraxlumborum-attachestothelumbarregionb)numberofdivisionsbiceps,triceps,quadricepsc)locationtibialis,femoris,anterior,ulnaris,posterior,profundus(deep)d)directionoffibersrectus(straight),oblique,transversuse)shapedeltoid(triangular),trapezius(kite),rhomboids,quadratusf)actionflexor,levator,tensor(tenseapart),pronatorg)lengthorsizebrevis,longus,major,minor2.Trytodeterminewhatboneseachmuscleattachestofromtheknowledgegainedinstepone.Donotlearntoomanydetailsaboutmuscleattachmentsatfirst.Onceyouarefamiliarwiththegeneralbonesofattachment,youshouldlearnmorespecificattachmentssothatyoucanaccuratelydescribethelineofpullofthemuscle.3.Trytodeterminetheactionsofeachmusclefromyourknowledgeofthefollowing:a)Generallocationofthemuscle(i.e.,anterior,posterior,medial,lateral,etc.).Generally,anteriormusclesproduceanteriormovements,medialmusclesproducemedialmovements,andsoon.Musclesdonotusuallyperformbothactionsthatareantagonistictoeachother(i.e.,amusclewouldnotusuallyflexandextendatthesamejoint).Onceyouknowthegeneralrule,thenitwillbeeasytolearnthespecificexceptionstotherule.