Mphuno mu ubwana umakhalanso kawirikawiri, mosiyana ndi anthu okalamba. Nthawi zambiri agogo aakazi amakhumudwa kuti aswe mwendo nthawi yomweyo. Kotero ndi chiyani chomwe chikugwirizana? Tiyeni timvetse chifukwa chake mafupa a ana ali otsika komanso otanuka kusiyana ndi mafupa a akulu ndi okalamba.
Mbali za mawonekedwe a mafupa a ana
Mankhwala a mafupa a mwana wamng'ono ndi wamkulu amakhala osiyana kwambiri. Mafupa a ana ali ndi zinthu zambiri zakuthupi ndi zinthu zosawerengeka kusiyana ndi mafupa a papa kapena amayi. Pachifukwa ichi, zinthu zakuthupi zimamveka kuti ndizosiyanasiyana, zomwe zimakhala ndi kaboni, zopanda mphamvu, koma sizikhala ndi kaboni. Panthawi yomwe ikukula, mavitamini a mwanayo amasintha nthawi zonse - mchere wochuluka wa phosphorous, calcium, magnesium ndi mchere wina ukuwonjezeka kwambiri, ndipo kuwonjezera apo, chiŵerengero cha pakati pawo chikusiyana.
Mwa njira, mu mwana wakhanda, zinthu zakuthupi zimapanga pafupi theka la chiwerengero chonse cha fupa, pamene munthu wamkulu amakhala 80%.
Komanso, mafupa a mafupa a ana amakhala ndi minofu yambiri yamadzi ndi madzi, omwe amawapangitsa kukhala osinthasintha komanso otanuka kusiyana ndi makolo awo. Ndicho chifukwa chake kuvulala kulikonse komwe kumagwiridwa ndi kuvulaza ndi kupweteka kwa mafupa kwa ana kumachiza mofulumira kwambiri.
Pakalipano, chifukwa chodabwitsa kwambiri elasticity ya mafupa a ana aang'ono kwambiri, zokhotakhota zosiyanasiyana ndi zofooka zambiri zimachitika. Kugwira ntchito mwachibadwa ndi chitukuko cha mafupa a ana, makamaka, msana, kukhoza kuwononga nsalu zolimba, komanso kugona pa mateti ovuta .