muscular system study guide kd12 - edl · endomysium, epimysium, perimysium, ... label the...
TRANSCRIPT
Muscular System Study Guide 1. Labelthediagramtotheright
with:fascile,tendon,musclefiber,endomysium,epimysium,perimysium,
2. Placethefollowingwordsinorderfromlargesttosmallest:
fascicle,myofilament,myofibril,myofiber(musclecell),sarcomere
3. Listthe5functionsofthemuscularsystem
1) ______________________________2) ______________________________3) ______________________________4) ______________________________5) ______________________________
4. Labelthefollowing:sarcomere,,myosin,andactinonthefiguretotheright.
5. Thickfilamentfibersinmyofibrilsare_________whilethinfilamentsare
called________.6. Foreachstepinthediagramdescribethestateofcontractionforthe
sarcomere.a) Sarcomereis___________________________b) Sarcomereisbeginningto__________________________
• ___________________slidestowardthecenter,asitispulledbythe______________________crossbridges
c) Sarcomereis____________________________
7. __________________________istheneurotransmitterthatisreleasedtostimulatethemuscle.
8. Whattwoionsareexchangedwhentheneurotransmitteropensthegatesonthemembraneofthemusclefiber?________&_________
9. Whationisstoredbythesarcoplasmicreticulumandstartsmusclecontraction?___________10. Placethefollowingstepsinorderofhowamusclecontracts
a) neuronreleasesaneurotransmittertostimulatethemuscleb) myosinheadsattachtotheactinfilamentsc) ATPisconvertedtoADPwhenthemyosinheadchangeshapepullingtheactinfilamentd) Myosinheadspulltheactinfilamenttogethere) Sarcoplasmicreticulumreleasecalciumions
11. Describetheslidingfilamenttheoryofmusclecontraction.
Bone
!asc%a
'xon of ,o-or neuron
X
12. Matchthefollowingtermsusingthewordbank:a. connectivetissuesthatjoinsmuscletobone ________________________b. anothernameformusclecell ________________________c. typeofproteinfilament(2answers) ____________,______________d. movementofmusclesinacircularmotion ________________________e. movementofmusclestowardsthemidline ________________________f. movementofmusclesawayfromthemidline ________________________g. cellmembraneofthemuscle ________________________h. muscleresponsibleforprimarymovement________________________
13. Identifyifthiswouldbeanaerobic(fermentation),aerobicrespiration,creatinephosphate1.Sprint60metersin5‐10sec _____________________2.Walking45minutes _____________________3.Createsonly2ATP _____________________4.Creates36ATP _____________________5.Lacticacidiscreated _____________________
14. (Aerobic/Anaerobic)exercisewouldcreatethemostamountofenergyformusclecontraction.
15. Thedepletionof____________causesmusclestofatigue.16. Musclesproducedifferentamountsofforcebecauseofdifferentnumbersofmusclefibers
contracting.(TrueorFalse)17. Aninheriteddiseasethatcausesmusclestodegenerateandatrophyiscalled
___________________________________.18. Astraininvolvestheoverextensionofa_______________whileaspraininjuresthe_________________.19. Whatisthebestwaytomaintainourmusclemassandstrengthasoneages?_____________________20. Theendofthemusclethatisattachedtothemovingboneiscalledthe______________________,
whilethemusclethatisattachedtothenon‐movingboneiscalledthe____________________.
21. Identifyifthesemusclepairsareantagonistorsynergistic a.flexordigitorumandextensordigitorum _____________________ b.gastrocnemiusandtibialisanterior _____________________ c.bicepsbrachiiandtricepsbrachii _____________________ d.rectusabdominiusandexternaloblique _____________________
22. Extensormusclescausebonesto(straighten/bend)atthejointwhileflexors(straighten/bend).
23. Muscleworkin_________________________pairs.Ex:bicepsflexesandtricepsextendswhenelbowisflexed.
24. Listthewaysmusclesarenamed.(atleast3)
WORD BANK: muscle fiber adduction sarcolemma tendon prime mover abduction actin Circumduction myosin
Muscular System Study Guide 25. Matcheachdescriptionwiththecorrectmuscle:
____________________1.bendingofthekneewouldflexthe___________________________2.musclegroupthatadductsleg____________________3.bendingofelbowflexesthe___________________________4.bendingtheelbowextendsthe____________________________5.turnsthehead____________________6.raisestheeyebrow____________________7.closesjawandallowsforchewing
____________________8.musclesof6‐packstomach____________________9.musclethatflexesfor“dancerstoes”___________________10adductsarmatshoulderpoint___________________11.closestheeye___________________12.kissingmuscle
27.Labeleachofthefollowingmuscles.Youareresponsibleforknowingtheirlocationonthetest.
Word Bank 1. biceps brachii 2. sternocleidomastoid 3. triceps brachii 4. inner thigh adductor group 5. hamstrings 6. frontalis 7. masseter 8. rectus abdominus 9. gastrocnemius 10. obicularis orsis 11. deltoid 12. obicularis oculi
Muscles of the head & neck Masseter Obicularis orsis Obicularis oculi Frontalis Zygomaticus Sternocleidomastoid
Muscles of the trunk (anterior & posterior) Rectus abdominus External oblique Pectoralis major Latissimus dorsi Trapezius
Muscles of the arms & legs Gluteus maximus Biceps brachii Triceps brachii Sartorius Quadriceps femoris group Deltoid Adductor group Hamstring group Gastrocnemius