ClinicalAnatomyWeek9MultipleChoice

1. Whichmuscledoesnotfallintotheanteriorcompartmentofthethigh?

a. Sartoriusb. Rectusfemorisc. Articularisgenusd. Gracilis

2. Whichmuscledoesnotfallintothemedial

compartmentofthethigh?a. Pectineusb. Gracilisc. Obturatorexternusd. Obturatorinternus

3. Obturatorexternusisinnervatedbythe…

a. Sciaticnerveb. Pudendalnervec. Obturatornerved. Noneoftheabove

4. Whichmuscleisthis?

a. Pectineusb. Piriformisc. Gluteusminimusd. Obturatorexternus

5. Quadratusfemorisisinnervatedby…

a. Obturatornerveb. Superiorglutealnervec. Abranchofthelumbarplexusd. Abranchofthesacralplexus

6. Whichregionofthefibulaarticulateswith

thetibia?a. Headb. Lateralmalleolusc. Malleolarfossad. Interosseousborder

7. Vastuslateralisbelongstothelateralcompartmentofthethigh.

a. Trueb. False

8. Theposteriorpatellahasfacetstoarticulate

withboththemedialandlateralfemoralcondyles.

a. Trueb. False

9. Afterthefemur,thelargestboneinthe

humanbodyisthe…a. Fibulab. Tibiac. Sacrumd. Calcaneous

10. Whichisfalseregardingthetibial

tuberosity?a. Itisattheproximalendofthetibiab. Itisontheanteriorsurfacec. Thepatellarligamentattacheshered. Alloftheabovearetrue

11. Whichmuscle(s)workswithgluteus

maximustopullthefascialataupwards,helpingtostabilizetheknee?

a. Iliopsoasb. GOGOmusclesc. Gluteusminimusandgluteusmediusd. Tensorfascialatae

12. Whichmuscleexitsthelessersciatic

foramen?a. Gemellussuperiorb. Gemellusinferiorc. Obturatorinternusd. Obturatorexternus

13. Gluteusminimusisinnervatedbythe…

a. Sciaticnerveb. Pudendalnervec. Superiorglutealnerved. Inferiorglutealnerve

14. Obturatorexternusinsertsintothe…

a. Trochantericfossab. Intertrochantericcrest

c. Greatertrochanterd. Lessertrochanter

15. Whichmuscleisthelargestandmost

superficialofthethreeglutemuscles?a. Gluteusmaximusb. Gluteusminimusc. Gluteusmediusd. Noneoftheabove

16. Gluteusminimusisresponsibleforwhich

twoactionsofthethigh?a. Adduction,lateralrotationb. Abduction,lateralrotationc. Adduction,medialrotationd. Abduction,medialrotation

17. Obturatorinternusisa…

a. Medialrotatorb. Lateralrotatorc. Adductord. Abductor

18. Iamapyramid-shapedmuscle,andIam

veryflat.Insomepeople,thesciaticnerveemergesfrommymusclebelly.WhoamI?

a. Gluteusmaximusb. Iliopsoasc. Piriformisd. Noneoftheabove

19. Whichistrueregardingthefibula?

a. Thefibulaliesmedialandparalleltothetibia

b. Thelateralshaftofthefibulaisboundtothetibia

c. Thefibulaplaysasignificantroleinmuscleattachments

d. Thefibulaisresponsibleforweighttransferduringwalking

20. Gemellussuperiorislargerthangemellus

inferior.a. Trueb. False

21. Gemellusinferiorispalpable.

a. Trueb. False

22. Obturatorexternuscoversthe__________wallofthepelvis.

a. Medialb. Lateralc. Anteriord. Posterior

23. InthisY-spiral,whichmuscleisdoingthe

majorityofthework?Hint:examinethepositionoftheskater’sfemur.

a. Piriformisb. Gluteusmaximusc. GOGOmusclesd. Noneoftheabove

24. Piriformissyndromeoccurswhen…

a. Piriformisbecomesshortandtight,affectingposturalmusclessuchaserectorspinae

b. Piriformisgetstight,compressingthesciaticnerve

c. Piriformisisweak,causingsacroiliacpain

d. Piriformisweaknesscausespatienttobearweightononeside

25. Wheredoesquadratusfemorisoriginate?

a. Pubicsymphysisb. Lateralborderofischialtuberosityc. Lessersciaticnotchd. Inferiorpubicramus

26. Whichmuscleiskeyforstabilizingthepelvis

duringwalking?a. Piriformisb. Gluteusmaximusc. GOGOmusclesd. Noneoftheabove

Refertothefollowingimage.

27. Weaknessinwhichmusclewillshowas

Trendelenburggait?a. Ab. Bc. Cd. D

28. Whichmuscleinsertsintotheiliotibialtract

andtheglutealtuberosityofthefemur?a. Ab. Bc. Cd. D

29. StructureAisthe__________ofthe

patella,whileStructureBisthe__________.

a. Base,apexb. Apex,basec. Tibialtuberosity,apexd. Tibialtuberosity,base

30. StructureCisthe__________,whichis

seenonthe__________surfaceofthepatella.

a. Articularsurface,posteriorb. Articularsurface,anteriorc. Tibialtuberosity,posteriord. Tibialtuberosity,anterior

31. Thepatella…a. Isaflatboneb. Formswithinthetendonofthe

hamstringmusclesc. Iswhereonecanfindthepes

anserinusd. Iscartilaginousatbirth,but

eventuallybecomesboneAnswerKey

1. D2. D3. C4. D5. D6. A7. B8. A9. B10. D11. D12. C13. C14. A15. A16. D17. B18. C19. C20. B21. B22. C23. B24. B25. B26. D27. C28. B29. A30. A31. D