N'chifukwa chiyani amuna kuthamanga mofulumira kuposa akazi?

Akuthamanga - ndi masewera kuti amakondedwa mofanana amuna ndi akazi, kaya kuthana nawo m'mawa uliwonse kuti mukhale ndi thanzi kapena kutenga mbali marathons akatswiri ndi mpikisano ndinagonjetsa. Koma ngakhale polojekiti yanu, inu mukhoza zambiri kuona kuti amuna kuthamanga akazi mofulumira kwambiri, ngakhale amazigwiritsa mofanana mwa mawu a nthawi ndi khama anathera.

Poganizira zimenezi, asayansi ndinkadabwa, chifukwa Zachitikiranji zimenezi? Ngakhale munthu yachangu mu dziko, umadutsa mtunda 100-mita mofulumira kuposa mkazi yachangu: Usain n'kudzazilumikiza zimenezi zimafuna masekondi 9,58, ndi Florence Griffith Joyner - masekondi 10,49.

Iwo likukhalira kuti kusiyana zotsatira amadalira zifukwa zambiri, osati ang'ono amene ali mahomoni ndi thupi kukula pakati pa amuna ndi akazi.

Mmene testosterone

Thupi patsogolo kusasitsa kugonana atsikana ndi anyamata ofanana ndithu. Komabe, ndi chiyambi cha nyengo Transitional, anyamata kumva funde la testosterone. Pomaliza, mu akula mlingo wa testosterone mu thupi la amuna ena nthawi 20 kuposa ntchito zake akazi.

Testosterone kungathandize kwambiri m'thupi ndipo amagwira ntchito zingapo. Choyamba, timadzi zimenezi zimachititsa thupi kulenga maselo atsopano magazi, amaziyang'anira mafupa ndi minofu, komanso zimayambitsa bursts kukula minofu.

"Monga thupi la mkazi umabala zochepa testosterone, ali sangathe mwa mawu a minofu, - anati Dr. Emily Kraus, katswiri wa mankhwala masewera -. Kunena mwachidule, kuchuluka kwa minofu misa amuna ndi apamwamba kwambiri."

minofu misa

Komanso, miyendo ya anthu ndi pafupifupi 80 peresenti pa amapangidwa ndi minofu yathu, koma azimayi ndi m'munsi - 60 okha%. Izi minofu owonjezera kuthandiza anthu chisankho chothamanga. Komanso, minofu amuna amakonda ndi CHIKWANGWANI zambiri, zikhoza kuchepetsedwa msanga, zomwe zimafunika pa sprinting.

esitirojeni

Powonjezera, akazi ndi esitirojeni kuposa amuna, kutanthauza kuti anthu mafuta mu matupi awo pamwamba. Umachititsanso akazi sangathe kuyerekeza ndi amuna nazo akaganiza kutenga nawo mbali pa ndinagonjetsa mpikisano.

kuwala kukula

Chinanso ndi kukula kwa thupi. Pafupifupi mapapo mu akazi amakhala aang'ono kwambiri kuposa amuna, kutanthauza kuti pazipita mowa mpweya, iwonso m'munsi. Mu malo wakhala mkazi leverages 33 Botolo la mpweya pa kilogalamu ya kulemera kwa thupi pa mphindi, ndi munthu zinthu zomwezo - 42 ml ya / kg / min. Zotsatira izi zimapezeka mu kafukufuku mu 1998.

Ngati ife kulankhula za sprinters akatswiri mowa pazipita mpweya ndi apamwamba, koma amuna kupitiriza outpace akazi. Pa katundu zonse amuna opepuka ntchito mpweya kuposa akazi. Izi zikutanthauza kuti thupi mkazi ali kuchita khama kwambiri kupuma mpweya.

kuchuluka kwa magazi

Mtima mu akazi, monga ulamuliro, komanso ali ndi kanthu kakang'ono kuposa anthu. Izi zikutanthauza kuti makutidwe ndi okosijeni zizindikiro magazi komanso m'munsi.

Ngakhale kuti akazi ndi mlingo wapamwamba mtima, si zokwanira kuchepetsa m'munsi buku la magazi mpweya. Nthawi iliyonse mtima mapampu magazi, kuchuluka wochepa mu akazi kusiyana ndi amuna. Izi, mwa zina, zimatanthauza kuti amayi kupeza zochepa minofu ndi magazi ndi oxygen.

Pamwamba zonse, akazi ndi zochepa hemoglobin. Ndi mapuloteni mu maselo ofiira amene amanyamula mpweya kwa zimakhala za thupi, kuphatikizapo minofu.

zinthu biomechanical

Pankhani biomechanics, ndi Dziwani kuti amuna kawirikawiri miyendo yaitali kuposa ndi akazi, ndiye, akatumba awo amatha ntchito. Komanso, sitepe kutalika amuna ndi zambiri. Ndipo chifukwa akazi amakonda ndi m'chiuno onse, udindo wawo pa athamangadi monga bwino monga amuna. Minofu ntchito bwino pamene ali pa mzere womwewo. Ngati m'chiuno yaing'ono kwambiri, monga munthu, quads ndi mbali imodzi, imene munthu akuthamanga. Koma ngati wothamanga m'chiuno lonse, minofu sangathe ntchito pamene akuthamanga. M'mawu ena, minofu awo ntchito zochepa wokometsedwa kwa akuthamanga.

Ndithudi, izi sizikutanthauza kuti akazi ndi m'chiuno lonse sangathamange, koma ndi chimodzi mwa zinthu zambiri zimene zimakhudza chifukwa anthu pafupifupi mofulumira kwambiri.

Ife kutengapo maganizo

Kuti adzimvera, ayenera kuti Mapapo ndi mtima akazi ndi luso zochepa kupuma ndi kukhutitsa magazi ndi mpweya, motero, iwo ali ndi mwayi wochepa hemoglobin m'magazi, amene kunyamula mpweya thupi lonse. Komanso azimayi amakonda ndi zochepa minofu ndi miyendo yaifupi, komanso chiuno onse, kuwapanga ndithamanga chotero, si zogwira mtima.

Popeza zolakwa, ndi zodabwitsa kwambiri momwe akazi ena amakwanitsa kupanga mpikisano yabwino kwa anthu.