Kev nyab xeeb khau thiab cov ntiv taw steel tsis zoo ib yam, txawm hais tias cov ntiv taw steel yog hom khau ruaj ntseg. Cov khau kev nyab xeeb yog tsim los tiv thaiv cov taw ntawm ntau hom kev phom sij hauv chaw ua haujlwm, xws li cov khoom poob, cov khoom ntse, cov nplais nplaum, lossis raug tshuaj lom neeg. Tej zaum lawv yuav muaj ntau yam tshwj xeeb nyob ntawm qhov muaj kev phom sij tshwj xeeb hauv chaw ua haujlwm, xws li cov khau khiab-tiv taus, khaus khaus khaus khaus, tiv thaiv hluav taws xob, lossis tiv thaiv metatarsal, ntxiv rau cov hlau lossis cov ntiv taw sib xyaw.
Hlau ntiv taw khau, ntawm qhov tod tes, yog ib hom kev ruaj ntseg khau uas muaj lub hau steel hla cov ntiv taw. Lub hau steel yog tsim los tiv thaiv cov ntiv taw los ntawm kev cuam tshuam thiab kev raug mob compression uas tuaj yeem tshwm sim yog tias cov khoom hnyav poob ntawm ko taw. Hlau ntiv taw khau feem ntau xav tau hauv kev lag luam xws li kev tsim kho, kev tsim khoom, thiab kev ua haujlwm hauv tsev rau khoom, uas muaj kev pheej hmoo ntawm kev raug mob ko taw los ntawm kev poob lossis khoom hnyav.
Nyob rau hauv cov ntsiab lus, thaum tag nrho cov hlau ntiv taw khau tuaj yeem suav tias yog khau kev nyab xeeb, tsis yog txhua nkawm khau kev nyab xeeb muaj cov ntiv taw steel. Cov khau kev nyab xeeb tuaj yeem muaj ntau yam ntawm cov yam ntxwv nyob ntawm seb muaj kev phom sij tshwj xeeb hauv chaw ua haujlwm, thaum nkawm khau steel muaj kev tiv thaiv tshwj xeeb rau cov ntiv taw los ntawm kev cuam tshuam thiab kev raug mob compression.