MapangidweSayansi

M'badwo zimene munthu akukula ndi utali akufotokozera ziwalo

Mpaka m'badwo munthu kukula? Development ndi kukula kwa thupi - monga thupi lonse ndi ziwalo - si zonse, ndipo ife tikhoza kunena, mu leaps ndi malire. Mofulumira kuwonjezeka kwambiri mu thupi ndi kukula kwa nthawi chitukuko yoopsa. Mu miyezi inayi ya dzira pang'ono umalandira kulemera kwa makilogalamu atatu. Koma pambuyo pa kubadwa kwa kukula akupitiriza, ngakhale liwiro. M'chaka choyamba cha moyo, mwana wathanzi limakula ndi avareji 23 masentimita, koma chaka chachiwiri limawonjezera masentimita khumi okha. Kenako zaka 11 ndi atsikana 13 mwa anyamata, kukula liwiro, ngakhale kwathunthu inathetsedwa, kotero kuti nyengo ya kutha msinkhu mofulumira kuchuluka pomwepo ndi masentimita khumi kapena kuposerapo. Ndiye, monga iwo amati, mwana "anatambasula" ndipo inasanduka wachinyamata mkulu ndi okhota.

Koma kenako, thupi chikukulirakulirabe mu msinkhu, ngakhale mosadziwa - angapo millimeters, masentimita pa chaka. Poyamba, panalibe kugwirizana pa momwe zaka zingati munthu akayamba. Iye akhapidziwa kuti anthu makumi awiri, ngakhale chithunzi ichi ndi zowombetsa mkota kwambiri ndi makonzedwe. Mu zaka 25, kwathunthu mathero mapangidwe a thupi, ziwalo zonse ndi ntchito yofunika kwambiri. Akusintha kuchoka ku zaka makumi awiri ntchito kwambiri kulimbikitsa ziwalo - mtima, mapapo. Mofulumira kupita chitukuko kugonana - funde mahomoni kwenikweni reshapes thupi akazi, zaka imodzi kapena ziwiri, wodziwonetsa zovuta pimply wachinyamata ndi yotundumukira kunja kwa mpanda collarbones ndi maondo lakuthwa mu kukongola okopa mbali zofewa chosalimba. Mwachibadwa, thupi elongation atsikana mabasi pa khumi ndi zisanu ndi chimodzi, khumi ndi zisanu ndi zinayi, chifukwa onse chuma kutuluka kukonzekera thupi kubereka ana.

Mpaka m'badwo munthu kukula? kukula akupitiriza m'mwamba ndi avareji mpaka makumi awiri, ndipo anyamata ena kumachitika kenako - 25 ndipo ngakhale mpaka zaka makumi atatu. Mu zaka 20-25 otsiriza pali nyengo ya kukula mofulumira, pamene wina angathe kuwonjezera theka centimeter chaka. Izi zinasonyeza chakuti ziwalo atha kupangidwa, aliuma, tikaumbike, ndi zina za thupi kuonjezera zinthu anaponyedwa pa ukugwirizana ndi fupa la msana. Kenako, "golide zaka", pamene munthu anena kuti ali pamsinkhu, ndipo mkazi - kuti iye anali "mu madzi," chitukuko cha chamoyo pankhani imeneyi kutsazikana.

Funso la kwa m'badwo munthu akayamba, chinsinsi udindo ankaimba ndi fuko ndi majini. Unamwali ndi mawonekedwe onse a chamoyo mu Negroid mtundu wa anthu, amene amakhala ku Asia South, pang'ono mipita kale. Ngati anyamata European (makamaka m'mayiko Masewerera a Nordic) mu zaka 14 - ngakhale ana chabe mwa India ndi Africa - izo kale athanzi anyamata. Ngakhale kwambiri nkhani ya atsikana, ndi chimene ndi kulumikizana ndi miyambo ya kukwatiwa mwamsanga. Pa Ulaya, monga taonera ndi kuchotsa kale cha kukula kwa amitundu kum'mwera ndi pa anawonjezera kukula nyengo kumpoto.

Chibadwa - chinthu chinanso molimba mmene anthu ambiri ikukula. Ngati makolo onse ali wamtali ndi wochepa, kuti ndi 90% mwayi kuti ana awo ali pamwamba amakhala kukula. Ndipo M'malo mwake, ndi kungokhala pamodzimodzi anthu ndi ana akukula. Kumene, pali 10%. zinthu zimenezi? Kodi ife mwa njira iriyonse kuwakhudza ndipo, chotero, kusintha kukula? Inde, chifukwa ngati inu mudya bwino ndi kukhala ndi moyo yoyenera, ndiye ngakhale pang'ono, zimakhudza kutalika kwa thupi.

Podziwa kuti zaka zomwe munthu akayamba, mukhoza kuwonjezera zapadera wake, osati ndinapatsidwa mwa chibadwa centimeter kapena awiri. Kudya zakudya zina kuti mulimbitse mafupa a msana ndi kuonjezera elasticity wa zimbale intervertebral (kanyumba tchizi, nsomba wochuluka, odzola kapena odzola), mukhoza kumapangitsanso kukula kwa thupi. Kumathandizanso kuwonjezera makhalidwe chinkafunika wa ntchito yeniyeni motsatizana msana. Koma zotsatira za karoti pa chiyembekezo cha thupi lathu zinali kwambiri akukokomeza. Karoti ali kungalimbikitse, komanso zipatso zina ndi masamba.

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