Ta yaya tsokar 'yan sama jannatin da martanin jijiya ke amsawa ga rage nauyi?

Ta yaya tsokar 'yan sama jannatin da martanin jijiya ke amsawa ga rage nauyi?

Tsokoki na kwarangwal wani muhimmin sashi ne na tsarin musculoskeletal ɗin ku. Suna yin ayyuka iri-iri. Daga cikin ayyuka da yawa da tsokoki na kwarangwal ke yi, muhimmin abu shine kiyaye yanayin mu.

A duniya, tsarin musculoskeletal dole ne ya goyi bayan nauyin jiki, kuma kasusuwa da tsokoki na baya suna ɗorawa ta dindindin ta hanyar nauyi. Amma menene zai faru da waɗannan tsokoki lokacin da ba su da nauyi don yin aiki da su?

Wannan tambaya al'amari ne na sha'awa ga mutane da yawa masana kimiyya. Kwanan nan, ƙungiyar masana kimiyya daga Japan suka tashi don neman amsar. Sun yi nazarin martanin kaddarorin neuromuscular zuwa fitarwa na nauyi da kuma fahimtar tushen bincike game da yadda 'yan sama jannati za su iya guje wa matsalolin neuromuscular a lokacin tsawaita jirgin sama.

Ƙungiyar ta binciko yadda morphological, aiki da kuma abubuwan da ke cikin tsarin neuromuscular ya dace da rage ayyukan antigravity. Yin amfani da samfuran simintin ɗan adam da rodent, sun fara bincikar yadda ayyukan motoneuron ke sarrafa kaddarorin neuromuscular. Bisa ga nazarin su, aikin jijiyar jiki (wanda ya haɗa da siginar da aka aika daga skeletal muscle zuwa tsarin kulawa na tsakiya a lokacin aikin tsoka) yana da mahimmanci don sarrafa ayyukan kwakwalwa da kayan tsoka. hana antigravity tsoka aiki domin yana haifar da remodeling na sarcomeres, da tsarin naúrar tsokoki, wanda rage su lamba. Bugu da kari, an rage girman girman tafin hannu da adductor longus electromyograms, wanda alama ce ta aikin tsoka na antigravity. Wannan yana nuna cewa jijiyoyi, kamar tsokoki, suna shafar ƙananan yanayin nauyi.

Fitar da nauyi yana haifar da raguwar sarrafa mota, canza injiniyoyi, da rashin daidaituwar tsokoki na masu adawa. Duk da ci gaba da motsa jiki a cikin ISS, ma'aikatan jirgin da ke sararin samaniya sun ba da rahoton samun matsala ta tafiya.

Don yaƙar tasirin ƙarancin nauyi akan tsarin neuromuscular da kuma kare lafiyar jikinsu, 'yan sama jannati a tashar sararin samaniya ta ƙasa da ƙasa dole ne su yi amfani da tukwane, kekuna na tsaye da kayan aikin horar da juriya. Wadannan hanyoyin rigakafin motsa jiki na tushen motsa jiki ba koyaushe suna aiki don dakatar da takamaiman canje-canjen neuromuscular da ba a so.

Ƙarin ƙalubale na iya tasowa lokacin da 'yan sama jannati suka gamu da mahallin microgravity na tsawon watanni shida ko fiye. Wannan bita, don haka, na iya samun tasiri mai mahimmanci ga binciken sararin samaniya, tare da mai da hankali kan jin daɗin 'yan sama jannati.

Os masana kimiyya lura, "Canje-canje a cikin kayan tsoka saboda fitarwa na nauyi na iya zama alaƙa da raguwar ayyukan jijiyoyi da damuwa na injiniya wanda ya dogara da ƙanƙancewa da / ko shimfiɗawa. Ƙarfafa tsokar tafin hannu daidai da kyau yana bayyana yana rage yiwuwar atrophy. Don haka ya kamata 'yan sama jannati suyi tafiya ko gudu a hankali yayin da suke motsa jiki tare da saukar ƙafar baya."

“Miƙewar tafin tafin hannu shima yana da tasiri. Sabili da haka, bayanai daga hangen nesa na musamman, kamar yadda aka tattauna a wannan bita, na iya taka muhimmiyar rawa wajen samar da matakan da suka dace da matsalolin neuromuscular don ayyukan binciken sararin samaniya na ɗan adam na gaba. 'Yan sama jannati na ISS za su gode wa ƙungiyar binciken don raba waɗannan mahimman bayanai. A halin yanzu, bari mu yi fatan alheri ga masu bincike zuwa manufa ta gaba!”

Maganar Diary:

    Takashi Ohira, Fuminori Kawano, et al. Martanin kaddarorin neuromuscular don sauke kaya da yuwuwar matakan da za a iya ɗauka yayin ayyukan binciken sararin samaniya. Nazarin Kimiyyar Jijiya & Halittar Halitta. DOI: 10.1016/j.neubiorev.2022.104617

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