REPLACEMENTS Questions And
Answers
Anterolateraltapproacht-tCORRECTttANSWER--tNotextension
-tNotexternaltrotation
-tNotadductiontoftaffectedthiptjoint
Etiologytofthiptfracturest-tCORRECTttANSWER-
1.tFracturestgenerallytoccurtwhentthetbone'stabilityttotabsorbttension,tcompression,tortshea
ringtforcetistexceeded.
2.tTraumatistthetprimarytcausetoftfractures,toftentwithtfallingtastthetmechanismtoftinjury.
3.tPoortlighting,tthrowtrugs,tunmarkedtsteps,tandtslipperytsurfacestarethazardstoftentassoci
atedtwithtfalls.
4.tOsteoarthritististparticularlytproblematictbecausetdecreasedtbonetdensitytoccurstintthetne
cktoftthetfemur.
Etiologytofthiptreplacementst-tCORRECTttANSWER-
1.tOsteoarthritis,trheumatoidtarthritis,tandtdegenerativetjointtdiseasestoftentprecedetjointtre
placements.
2.tTrauma,tcongenitaltdeformity,tandtdiseasestcantadditionallytaffecttarticulartcartilage,tres
ultingtintpain.
3.tWithtpain,tlimitedtmovementtoftentoccurs,tcausingtshorteningtoftassociatedtmuscles,tfurt
hertlimitedtatcl'stparticipationtintmeaningfultdailytoccupations.
Femoraltnecktfracturest-tCORRECTttANSWER-
cantbetcausedtbytslightttraumatortrotationaltforce;ttheytoccurtmosttcommonlytintwomentwitht
osteoarthritistwhotaretoldertthantaget60.
FWBt(fulltweighttbearing)t-tCORRECTttANSWER-
cltmaytputt100%tofthistorthertweighttontthetaffectedtextremitytw/otcausingtdamage.