Paunenge uchitenga matte, sarudza yakaoma kana yakapfava?

Mugadziri wematiresi anoyeuchidza munhu wese kuti anofanirwa kuve nesimba rakakwana uye iyo yakanakira metiresi inogona kuita kuti kushushikana kwenhengo dzemuviri kunzwe kupfava uye kugadzikana, muviri unozorora uye mubhedha wepamusoro haupindi mukati, wakatendeuka uye usingashande. Chaizvoizvo matirasi yakaoma kwazvo haigone kuenderana nezvinodiwa zvemuviri wemunhu curve, inogona kuita kuti chiuno chirembedze pamusoro pemurume akarara mukati, haigone kuchengetedza lumbar, inofanirwa kuvimba netsandanyama dzezasi kuti dzitsigire musana, kuitira kuti musana wave pane jiang ting tension, husiku hwese pasi musana uye tsandanyama dzekumusana hadzina kuzorora. Too nyoro metiresi, vanhu vakarara pasi muviri wose achava dented, akachinja muviri womunhu zvakajairika musana curve, musana wakakombama kana akamonyoroka, kuita zvakakodzera tsandanyama, ligament ari taut, nguva refu kwete kuwana kuzorora zvakakwana uye kuzorora, kuoneka chiuno kuvava gumbo marwadzo kunzwa. Kunyanya kuoma metiresi akarara chete musoro, musana, hudyu, zvitsitsinho pamusoro pfungwa idzi ina pasi kumanikidzwa, dzimwe nhengo dzomuviri uye kwete zvakazara kushandiswa, musana iri jiang's tsinga mamiriro, kwete kuzorora musana uye mugumisiro tsandanyama kuzorora, akamuka achiri kunzwa kuneta haana kunyangarika. Iyi metiresi yekurara mushure menguva yakareba inogona kukonzera mutoro wakakomba kune tsandanyama uye musana, kukuvadzwa kwehutano. Zvechokwadi, zvinogona kuita kuti munhu anzwe akasununguka mattress kune maitiro maviri makuru: imwe ndeyevanhu pasinei nemhando yechimiro, kurara kunogona kuchengetedza musana wakatwasuka; Yechipiri ndeyekumanikidza kuenzana, murume akarara pamusoro unogona kuzorora zvizere