Pogula mattes, sankhani zolimba kapena zofewa?

Wopanga matiresi amakumbutsa kuti aliyense ayenera kukhala ndi mphamvu zokwanira ndipo matiresi abwino amatha kupangitsa kupsinjika kwa ziwalo zathupi kukhala zofewa komanso zomasuka, thupi limamasuka komanso bedi silingagwedezeke, kutembenuzika komanso kusagwira ntchito. Kwenikweni matiresi olimba kwambiri sangathe kuzolowera kufunika kwa thupi la munthu pamapindikira, angapangitse m'chiuno kulendewera pamwamba pa munthu anagona, sangathe bwino retainer lumbar, ayenera kudalira m'munsi minofu kuchirikiza msana, kuti msana wakhala pa jiang ting mavuto, usiku wonse pansi msana ndi kumbuyo minofu si kumasuka. Kwambiri zofewa matiresi, anthu anagona pansi thupi lonse adzakhala dented, anasintha thupi la munthu yachibadwa msana pamapindikira, msana wokhotakhota kapena wokhotakhota, kupanga zogwirizana minofu, ligament ndi taut, nthawi yaitali osapeza mpumulo wokwanira ndi mpumulo, kuoneka m'chiuno wowawasa mwendo ululu kumverera. Kwambiri matiresi anagona basi mutu, msana, m'chiuno, zidendene pa mfundo zinayi izi pansi pa kupanikizika, mbali zina za thupi osati mokwanira akuyendera, msana ali mu jiang amanjenje boma, osati kupumula msana ndi zotsatira za kupumula minofu, anadzuka akadali ndi kumverera kutopa sanathe. Izi matiresi kugona patapita nthawi yaitali zingachititse katundu kwambiri kwa minofu ndi msana, kuwonongeka kwa thanzi. M'malo mwake, angapangitse kuti munthuyo amve bwino matiresi pali njira ziwiri zazikuluzikulu: mmodzi ndi anthu mosasamala kanthu za mtundu wa kaimidwe, kugona kungathe kusunga msana mowongoka; Chachiwiri ndi kuthamanga equalization, munthu wagona pamwamba mukhoza kumasuka kwathunthu