Muscle Origin Insertion Action Rectus Abdominis Pubis Ribs Xyphoid Process Flexes and rotates lumbar vertebrae External Oblique Ribs Pubis Ilium Linea Alba Flexes vertebral column ID: 491039
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Slide1
Muscles of the Abdomen, Chest and NeckSlide2
Muscle
Origin
InsertionAction*Rectus AbdominisPubisRibs, Xyphoid ProcessFlexes and rotates lumbar vertebrae*External ObliqueRibsPubis, Ilium, Linea AlbaFlexes vertebral column*Pectoralis MajorClavicle and RibsHumerusFlexes, rotates, and adducts arm*Pectoralis MinorRibsScapulaDepresses and rotates scapula*MasseterSkullMandibleElevates mandible*TemporalisSkullMandibleElevates and Retracts Mandible*SternomastoidSternum; clavicleSkullFlexes and rotates head
Write these in your notes. Use them in your dissection. Study them for the Mink Quiz 1Slide3
Rectus Abdominis
External
Obliques
External
ObliquesSlide4
Sternomastoid
Pectoralis
Major
Pectoralis
MinorSlide5
Masseter
TemporalisSlide6
Muscles of the BackSlide7
Muscle
Origin
InsertionAction*Latissimus DorsiThoracic VertebraeHumerusExtends, Adducts, Medially Rotates Arm*SpinotrapeziusThoracic VertebraeScapulaRotates scapula backwards*AcromiotrapeziusThoracic VertebraeScapulaAdducts and stabilizes scapula*ClavotrapeziusSkullClavobrachialis rapheFlexes Arm*Clavobrachialis/ ClavodeltoidClavicleHumerusFlexes ArmSpinodeltoideusScapulaHumerusFlexes and abducts armAcromiodeltoideusScapula
Humerus
Flexes
and rotates armSubscapularisScapulaHumerusAdducts and extends armWrite these in your notes. Use them in your dissection. Study them for the Mink Quiz 2Slide8
Temporalis
Clavotrapezius
Acromiotrapezius
Spinotrapezius
Latissimus
DorsiSlide9
Muscles of the ForearmSlide10
Muscles of the Forearm
Origin
InsertionAction*BrachioradialisHumerusRadiusSupinates PawExtensor Carpi Radialis LongusHumerus2nd and 3rd metacarpalsExtends and flexes wristExtensor Carpi Radialis BrevisHumerus3rd metacarpalExtends and abducts handExtensor Digitorum CommunisHumerusPhalanges of digits 2-5Extends digits 2-5Extensor Digitorum LateralisHumerusPhalanges of digits 3-5Extends digits 3-5Extensor Carpi Ulnaris
Humerus
5
th MetacarpalExtends and rotates wristFlexor Carpi UlnarisHumerus and UlnaCarpalsFlexes WristFlexor Carpi RadialisUlnaPisiformFlexes wristPalmaris LongusHumerusPalmar AponeurosisFlexes wristWrite these down in your notes and study them. There will be a quiz over them on Friday.* Will be on the muscle identification portion of the testSlide11
Brachioradials
Extensor radialis longus
Extensor radialis longus brevis
Extensor digitorum superficialis
Extensor digitrum lateralis
Extensor carpi ulnarisSlide12
Flexor Carpi Ulnaris
Flexor Digitorum Superficialis
Palmaris Longus
Flexor Digitorum Profundus
Brachioradialis
Biceps BrachiiSlide13
Muscles of the Abdomen, Chest and NeckSlide14
Muscles of the
Hindlimb
OriginInsertionAction*Gluteus MaximusPosterior ilium, coccyx, sacrumVertebraeExtends, laterally rotates and abducts thighGluteus MediusIlium and VertebraeFemurRotates medially and abducts the thigh*SartoriusIliumPatella and TibiaAdduct, rotate, and flex the femurExtends the tibiaRectus FemorisIliumPatella and TibiaFlexes hip, extends kneeGracilisPubisTibiaAdducts hip, medially rotates and flexes leg*SemimembranosusIschiumFemur and TibiaExtends thighFlexes and medially rotates legAdductor
Femoris
Pubis and Ischium
FemurAdducts and extends thighAdductor LongusPubisFemurAdduct and extends thighPectineusPubisFemurAdducts, medially rotates, and flexes hip*GastrocnemiusFemurCalcaneousPlantar flexion of the footMuscles of the Hindlimb – Quiz 4* Will be on the muscle identification portion of the testSlide15
Gastrocnemius
Biceps femoris
Semimembranosus Slide16
Sartorius
Biceps femoris
Gleteus maximus
Vastus lateralisSlide17
Dissection 3
Be able to identify the following muscles:
Rectus AbdominisExternal ObliquesPectoralis Major and MinorSternomastoidMasseterTemporalisClavotrapeziusAcromiotrapeziusSpinotrapeziusLatissimus DorsiClavodeltoidBrachioradialisGluteus MaximusSartoriusSemimembranosusGastrocnemiusUse page 18-19 in your Mink Booklet to help you identify the muscles.