SIP taw tes ntawm lub rooj zaum hauv tsheb, tseem hu ua r taw los yog h taw, sib raug rau qhov kev sib tshuam ntawm qhov chaw ntsug ntawm qhov chaw nyob ntawm qhov chaw nyob ntawm qhov kev sib txuas ntev ntawm qhov loj tshaj trochanter (hypothetical pob khaus xiav ntawm tib neeg torso thiab thawm). Qhov nruab nrab ntawm feem ntsug ntawm lub rooj zaum yeej zoo-txhais, tab sis yuav ua li cas yuav tsum muaj tus neeg trochanter ntau dua?
