Kodi mphamvu yokoka imathandizira bwanji mtima?

Kodi mphamvu yokoka imathandizira bwanji mtima?

Kafukufuku watsopano wofalitsidwa Lolemba ndi Journal of Circulation of the American Heart Association inanena kuti katswiri wa zakuthambo Scott Kelly, yemwe anakhala chaka chimodzi m'mlengalenga, anali ndi mtima wochepa ngakhale kuti ankagwira ntchito masiku a 6 pa sabata panthawi yomwe amakhala.

Kuphatikiza apo, ofufuzawo adawonanso kusintha komweko pamtima wa wosambira waku France Benoit Lecomte, atamaliza kusambira kwa masiku 159 kudutsa nyanja ya Pacific mu 2018.

Zotsatirazi zimasonyezanso kuti kulemera kwa nthawi yaitali kumasintha dongosolo la mtima, kuchititsa kuti kugwedezeka ndi atrophy, komanso kuti kuchita masewera olimbitsa thupi ochepa sikukwanira kuti izi zisachitike.

Mphamvu yokoka imasunga mtima

Malinga ndi kafukufuku wofalitsidwa ndi CNN, ndi mphamvu yokoka pansi yomwe imathandizira kuti mtima ukhalebe ndi kukula kwake ndi ntchito yake, chifukwa umapangitsa kuti magazi azithamanga m'mitsempha, ngakhale zinthu zosavuta monga kuyimirira ndi kuyenda zimathandiza kukoka magazi ku miyendo.

Pamene, kuyankhidwa kwa minofu ya mtima kumachepa pamene chigawo cha mphamvu yokoka chalowa m'malo ndi kusalemera.

Kelly amakhala mu zero yokoka mu International Space Station kuyambira pa Marichi 27, 2015 mpaka Marichi 2016, XNUMX, ndipo adaphunzitsidwa panjinga yoyima ndi ma treadmill komanso kuphatikiza zochita zolimbana ndi machitidwe ake masiku asanu ndi limodzi pa sabata kwa maola awiri tsiku lililonse.

Mosiyana ndi zimenezi, kuyambira pa June 5 mpaka November 11, 2018, Lecomte anasambira makilomita 1753, pafupifupi maola asanu ndi limodzi patsiku. Ntchito yosalekeza imeneyi ingaoneke ngati yamphamvu, koma kusambira tsiku lililonse kumaonedwa ngati ntchito yochepa kwambiri.

Ngakhale kuti wosambira wachifalansayo anali pamtunda, anathera maola ambiri a tsiku lake m’madzi, kuletsa mphamvu yokoka. Osambira mtunda wautali amagwiritsa ntchito njira yofulumira, yomwe ndi malo opingasa akuyang'ana mmwamba posambira.

Kuchita masewera olimbitsa thupi kumapangitsa mtima kukhala wokwanira

Komanso, ochita kafukufukuwo ankayembekezera kuti zochita za amuna onsewa zidzateteza mitima yawo kuti isawonongeke kapena kufooka. Onse a Kelly ndi Lecomte adataya kulemera kwake komanso kutsika koyambirira kwa ma ventricles akumanzere a mtima pakuyesa kwawo.

Maulendo onse a m'mlengalenga ndi maulendo ataliatali m'madzi kunapangitsa kuti pakhale kusintha kwapadera kwa mtima, adatero wolemba kafukufuku wotsogolera Dr. Benjamin Levine, pulofesa wa mankhwala amkati ndi matenda a mtima ku yunivesite ya Texas Southwestern Medical Center.

Ngakhale kuti olembawo amanena kuti anangophunzira amuna awiri okha omwe anachita zinthu zachilendo, kufufuza kowonjezereka kumafunika kuti timvetse momwe thupi la munthu limachitira zinthu zovuta kwambiri.

Palibe zotsatira zoipa

Pachifukwa ichi, ochita kafukufuku adawona kuti mtima umasintha, koma kugwedezeka sikunabweretse zotsatirapo kapena za nthawi yaitali.

Mtima umakhala wocheperako, umachepa komanso umakhala wopanda mphamvu, koma sucheperachepera - zili bwino, "adatero Levine, yemwenso ndi mkulu wa Institute for Exercise and Environmental Medicine.

Ananenanso kuti popeza thupi limazolowera kupopera magazi m'mwamba motsutsana ndi mphamvu yokoka pamalo oyima, mphamvu yokokayi ikachotsedwa, makamaka mwa munthu yemwe wagwira ntchito kale komanso wokwanira, mtima umasinthira ku katundu watsopanowu. Ananenanso za kusinthasintha ndi kusinthasintha kwa minofu ya mtima, ndi pafupifupi magawo atatu mwa magawo atatu a minofu yomwe imakhudzidwa ndi zochitika zolimbitsa thupi.

Anafotokozanso kuti minofu ya mtima imagwirizana ndi maulendo apamlengalenga, masewera olimbitsa thupi, komanso malo okwera kwambiri, chifukwa ndi chiwalo chodziwika bwino chomwe chimayankha zofuna zake.

Anamaliza ndi kufotokoza kuti kukula kwa minofu ya mtima kumawonjezeka pamene katundu akuwonjezeka, ndipo zomwezo zimachitika mosiyana.

Mitu ina: 

Kodi mumatani ndi munthu amene amakunyalanyazani mwanzeru?

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