Ukuphakama okujwayelekile kwamadoda kuye kwalandelwa eminyakeni edlule futhi kwanda. Ukubuka isilinganiso esibanzi kulo lonke elase-United States, Isikhungo Sikazwelonke sezeMpilo seSatatimende sikhiphe ukuthi ukuphakama okuphakathi komuntu omdala ku- 69.3 amasentimitha angu- 176.1 amasentimitha, noma cishe amasentimitha angu-9 ububanzi. Le datha yahlanganiswa njengengxenye ye-National Health and Nutrition Examination Survey (NHANES) eyenziwa kusukela ngo-2007 kuya ku-2010.
Khumbula ukuthi isilinganiso esiphakathi sisho isigamu somuntu omdala wesilisa kuyoba mude futhi isigamu sibe mfushane. Njengombala wesikhumba nombala weso, ukuphakama akuyona into ongayishintsha-kuphela ukufihla. Funda kabanzi mayelana nemikhuba yamadoda amadala nokuthi yini ongayilindela lapho umfana ekhula.
Umlando Ukubuka Isilinganiso Isisindo Sabantu
Ukulinganisa kwenqwaba yomzimba , isisindo, ukuphakama , ngisho nokukhishwa kwekhanda kuye kwaqoqwa e-US kusukela ngasekupheleni kwawo-1950. Amadoda ayelokhu ekhula kakhulu kuleso sikhathi esifushane emashumini ambalwa eminyaka.
Omunye wembiko yokuqala uthi "amadoda aphakathi kwabantu abanzi abaphakathi kwamaphesenti angu-68.2 ukuphakama," okungaphezu kwe-intshi emifushane kunalokho okulindeleke namuhla.
Ngaphambilini kuze kube manje, kuye kwaba nemingcele yemlando ephakamisa ukuthi ukuphakama okujwayelekile kuye kwenyuka kancane eminyakeni engama-400 edlule:
- Kukholelwa ukuthi amadoda asePilgrim ekuqaleni kwaseMassachusetts ayesilinganiso esingamamitha angu-66 ubude (1620)
- Amaphoyisa aseMpi Yombango abikwa ukuthi ayesilinganiso esingamamitha angu-67.7 (1863)
- Amasosha ase-United States ayeke ama-intshi angu-67,5 (1917)
- Amabutho aseMelika asebenzisa ama-inthanethi angu-68.1 (1943)
Lokhu akusho ukuthi amadoda azoqhubeka ekhulile njengoba kudlula isikhathi. Naphezu kobufakazi bokukhula, ukuhloliswa kwezinto ezivubukulayo kwamathambo kusukela esikhathini eside njengoba isikhathi seMesolithic kubonisa ukuthi ukuphakama komuntu kwakungamaphesenti angu-168, noma ngamasentimitha angu-5 ububanzi.
Lokho kuhumusha kumasentimitha amane nje ngaphezulu kweminyaka eyi-10 000.
Ngokuqondene nokuzuza kwamuva nje, kukholelwa ukuthi impilo engcono kanye nokudla okunomsoco ziye zadlala ingxenye enkulu kulokhu kukhula. Namuhla, kunezindlela eziphumelelayo zokuvimbela ukugula nokugqugquzela impilo ngesikhathi seminyaka yokwenza ingane. Kunezindlela eziningi zokubambezela ukubola uma umuntu ekhula, evimbela ukuwohloka kwethambo nemisipha engabangela ukulahlekelwa ukuphakama. Iningi labachwepheshe, ngenxa yalokho, bakholelwa ukuthi amandla okuphakama angase abe nenhle kakhulu.
Ukuphakama kwesilinganiso kuqhathaniswa ne-Rest of the World
Uma kuqhathaniswa namadoda kwezinye izingxenye zomhlaba, owesilisa waseMelika uhlezi kakhulu phakathi kwamazwe kazwelonke. Kwamanye amazwe, njengeNetherlands neBosnia neHerzegovina, ukuphakama okulinganiselwe kungaphezu kwamamitha ayisithupha ubude. Ezingxenyeni zase-Asia-ikakhulukazi eningizimu-mpumalanga ye-Asia (i-Indonesia, iVietnam, iPhilippines)-isilinganiso sishaya singamamitha angu-4 kuya kwangu-4 noma ngaphansi.
Phakathi naleso sikhathi, amadoda amakhulu kakhulu kunawo wonke kubonakala sengathi avela kubantu baseNilotic baseSudan, lapho ukuphakama okulinganiselwe kuye kwaphawulwa ngamasentimitha angu-3 ububanzi.
Ukuphakama Okuphakathi Kwezingane
Nakuba izakhi zofuzo zidlala indima enkulu ekunqumeni ukuthi ubude umfana ugcina kangakanani, akusona isiqinisekiso.
Ubaba omude angaphetha enomntwana omfushane. noma ngokuphambene nalokho. Ngaphezu kwalokho, ezinye izingane zithuthuka kangcono kunabanye phakathi neminyaka yabo yentuthuko. Ekugcineni, asikho iphethini esethiwe futhi izinto ezimbalwa ezingenziwa ukuze zenze ukuphakama komfana.
Ngenkathi ubikezela ukuthi ukuphakama komfana akulula ngaso sonke isikhathi, kunama-benchmarks ambalwa jikelele ongawalandela:
- Abafana abaneminyaka emibili kuya kweyisishiyagalolunye ubudala bayoba ngamasentimitha angu-34 ekuqaleni bese befinyelela isilinganiso samasentimitha angu-50 ekupheleni konyaka wesishiyagalolunye.
- Abafana abayishumi kuya kwengu-14 bazokwazi ukukhula kusuka kumasentimitha angu-55 kuya ku-65 amasentimitha ngalesi sikhathi.
- Abafana abangaba ngu-15 kuya ku-18 bazokhula kusuka ngamasentimitha angu-68 kuya kuma-intshi angu-70 futhi baqhubeke bekhula ngokwedlulele eminyakeni embalwa emva kwalokho.
Izwi elivela
Uma ukhathazekile ukuthi indodana yakho ayifinyeleli izilinganiso zokuthuthukisa kufanele ukhulume nodokotela wezingane zakho. Uma umfana ewa ngaphansi kwalezi zilinganiso akusho ukuthi usemfushane kakhulu, udinga i-hormone yokukhula, noma akathuthuki ngendlela efanele. Ungakwazi ukulandelela ukuthuthukiswa kwendodana yakho ngokusebenzisa ishadi lokukhula noma wokubala kwe-percentile. Bobabili banganikeza isiqondiso esinempilo ngokuhambisana nokuvakashelwa kwezokwelapha njalo.
> Imithombo:
> Amasevisi Okulawula Nokuvimbela Izifo (CDC). Idatha ye-Anthropometric Reference for Children and Adult: United States, 2007-2010 . Izibalo ze-Vital nezempilo. 2012; 11 (252): 1-48.
> Hathaway M. Trends in Heights and Weights. Incwadi Yonyaka Yezolimo. 1959: 1-5.