Ukubunjwa, Isayensi
Phezulu oko ubudala umntu lukhule elide kangakanani uqala amalungu
Ukuya umntu akhula ntoni ubudala? Development kunye nokukhula umzimba - ngathi umzimba uphela yaye amalungu zangaphakathi - akwenzeki njalo, kwaye singatsho, ephala. Kakhulu ukwanda okukhawulezayo ubunzima bomzimba kunye nobukhulu nexesha of Palsy. Kwiinyanga zokuqala ezilithoba iqanda encinane ifikelela ubunzima ngeekhilogram ezintathu. Kodwa emva kokuzalwa ukukhula iqhubeka, nangona sehlise. Kunyaka wabo wokuqala bezelwe, umntwana onempilo ikhula ngomyinge iisentimitha-23, kodwa kunyaka wesibini yongeza neesentimitha ezilishumi kuphela. Emva koko, iminyaka 11 amantombazana kunye 13 emakhwenkweni, ukukhula kuyehla, nangona lupheliswe ngokupheleleyo, ukuze ixesha lokufikisa leyo ngokukhawuleza zinyuke ngokukhawuleza iisentimitha ezilishumi okanye ngaphezulu. Emva koko, njengoko bathi, umntwana "Wasolula" waza wajika waba elivisayo ephakamileyo kunye emboxo.
Kodwa kamva, umzimba gqolo ukukhula ngobude, nangona ingabonakali - eziliqela iimillimitha, sentimitha ngonyaka ngamnye. Ngaphambili, kwakungekho ukuvumelana njani kweminyaka emingaphi apho umntu efunda. Oku kwakukholelwa ukuba phezulu ukuya amabini, nangona eli nani ngokubanzi kakhulu kwaye kwemiqathango. Kwiminyaka 25, ephela ngokupheleleyo ukuyilwa umzimba, onke amalungu kunye nemisebenzi ebalulekileyo. Ukususela elivisayo iminyaka engamashumi yomsebenzi olunzulu ukomeleza enyama yangaphakathi - intliziyo, imiphunga. Ngokukhawuleza ngophuhliso ngokwesondo - kwakhula hormone ngokoqobo reshapes umzimba nemazi, kwiminyaka omnye okanye emibini, ezitshintsha nzima okwishumi elivisayo inamaqhakuva kunye eveleleyo collarbones kunye amadolo elibukhali kwi ubuhle akhe kunye iimpawu ezithambileyo njengebhinqa. Ngokwesiqhelo, amantombazana zobude umzimba ima elinesithandathu, ishumi elinethoba, ngokuba bonke oovimba ekuphumeni ukulungiselela umzimba ukuze zizale.
Ukuya umntu ekhulayo ntoni ubudala? ukukhula kwayo uqhubeka phezulu ngomyinge ukuya ku amabini, yaye amanye amakhwenkwe kwenzeka yaye emva koko - to 25 kwaye nkqu ukuya kwiminyaka engamashumi amathathu. Kule minyaka 20-25 lokugqibela kukho ixesha ukukhula ngokukhawuleza, xa umntu ungadibanisa isiqingatha isentimitha ngonyaka. Oku kuphawula into yokuba amalungu lwangaphakathi akugqiba kwasekwa, lukhuni, zilinganisiwe, kwaye wonke umzimba ukunyusa izibonelelo waphoswa phezu ukwandiswa kwezibonelelo. Emva koko, le "age yegolide", xa umntu uthi nguye kwincopho yobomi, nomfazi - ukuba 'kwincindi, "uphuhliso eziphilayo kule nkalo kupheliswa.
Umbuzo oko ubudala umntu lukhula, indima engundoqo edlalwa ngokobuhlanga kunye nelifa yemfuza. Lokufikisa kunye nefomu jikelele kumzimba kwi Negroid uhlanga lwabantu, abahlala eMzantsi Asia, a abapase kancinane ngaphambili. Xa amakhwenkwe zaseYurophu (ingakumbi kumazwe Nordic) kwiminyaka 14 - nkqu abantwana nje, e-Indiya kunye nelizwekazi lase-Afrika - oku sele abunjwe ngokupheleleyo bafana. Ngakumbi Kwimeko amantombazana, noko ize idityaniswe isithethe umtshato yokuqala. Kwilizwekazi laseYurophu, njengoko kuqatshelwe nge-ukupheliswa ngaphambili sokwanda yeentlanga southern naphezu wawandisa xesha likhula ngasentla.
Esinazo - naye yayibaluleke kakhulu kubantu abaninzi kangakanani uyakhula. Ukuba bobabini abazali bade mncane, oko kukuthi 90% ithuba lokuba abantwana babo baya ukukhula ngentla-avareji. Ke, phezu koko, baye baphazanyiswa abantu kunye nabantwana intsha ikhula. Kakade ke, kusekho-10%. Ziziphi ezi zinto? Ngaba nangayiphi na indlela ebachaphazelayo kwaye, ngenxa yoko, ukuba alungise ekukhuleni kwayo? Ewe, kuba ukuba nidle okulungileyo nokugcina indlela efanelekileyo, ngoko ke nokuba kancinane, zingachaphazela ubude umzimba.
Ukwazi oko ubudala umntu likhula, okokuba ungongeza na kwi zokuxabangela yakhe, hayi elabelwe ngemvelo isentimitha okanye ezimbini. Ukudla okuthile ukuba womeleze amathambo yomqolo nokunyusa luthambe le IiCD intervertebral (cottage itshizi, intlanzi olunamafutha, ijeli okanye ijeli), unako ukuphucula ukukhula komzimba. Kwakhona kunceda ukongeza kwi iimpawu metric msebenzi ethile, yade umnqonqo. Kodwa ke ifuthe iikherothi kwi njengeminqweno yomzimba wethu ke ecotha kakhulu. Somnqatha siqalise lubanesiphumo ukomelezwa, kwakunye nezinye iziqhamo kunye nemifuno.
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