Sengoli: Morris Wright
Letsatsi La Creation: 26 April 2021
Ntlafatsa Letsatsi: 27 Mphalane 2024
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Litaba

Boholo ba VO2 bo tsamaellana le bophahamo ba oksijene bo jeoang ke motho nakong ea ts'ebetso ea boikoetliso ba 'mele, joalo ka ho matha, ka mohlala, mme hangata bo sebelisetsoa ho lekola boikoetliso ba semathi, hobane bo emela matla a aerobic a motho ka tsela e ntlehali. batho.

Sekontiri se phahameng sa VO2 se emetse Maximum Oxygen Volume mme e bonts'a bokhoni ba 'mele ba ho hapa oksijene sepakapakeng ebe e e fetisetsa mesifa nakong ea boikoetliso. Ha VO2 e phahame, ho ba le bokhoni ba ho nka oksijene e fumanehang moeeng le ho e isa mesifeng ka nepo le ka potlako, ho ipapisitse le phefumoloho ea motho, matla a potoloho ea mali le boemo ba koetliso.

VO2 e phahameng haholo e amana le melemo ea bophelo bo botle joalo ka kotsi e tlase ea lefu la pelo, mofetše, khatello ea maikutlo le lefu la tsoekere la mofuta oa 2, haholoholo ka lebaka la litloaelo tse phetseng hantle le boemo bo botle ba mmele.

VO2 e tloaelehileng ke efe

Boholo ba VO2 ba monna ea lutseng bo ka ba 30 ho isa ho 35 mL / kg / min, ha limathi tse tummeng tsa mabelo li na le VO2 max e ka bang 70 mL / kg / min.


Basali, ka karolelano, ba na le VO2 e tlase hanyane, ho tloha ho 20 ho isa ho 25 mL / kg / min ho basali ba lutseng le ho fihlela ho 60 mL / kg / min ho baatlelete hobane ka tlhaho ba na le mafura a mangata le hemoglobin e nyane.

Batho ba lutseng, ke hore, ba sa ikoetliseng, ba ka ntlafatsa VO2 ea bona kapele, leha ho le joalo, batho ba seng ba ntse ba koetlisitsoe hantle le ba ikoetlisang khafetsa, ba kanna ba se khone ho eketsa VO2 ea bona haholo, leha e ka ntlafala tshebetso ya bona ka tsela e akaretsang. Lebaka ke hore boleng bona bo boetse bo amana le liphatsa tsa lefutso tsa motho, ke ka hona batho ba itseng ba khonang ho eketsa VO2 ea bona ka nako e nyane ea koetliso.

Ntle le hore VO2 e amana le liphatsa tsa lefutso, e boetse e susumetsoa ke lilemo tsa motho, morabe, sebopeho sa 'mele, boemo ba koetliso le mofuta oa boikoetliso bo etsoang.

Teko ea VO2 max

1. Ho etsa liteko ka kotloloho

Ho lekanya VO2, ho ka etsoa teko ea ergospirometry, eo hape e bitsoang teko ea bokhoni ba pulmonary kapa teko ea boikoetliso, e etsoang treadmill kapa baesekele ea boikoetliso, le motho ea apereng mask sefahlehong le li-electrode tse khomaretsoeng 'meleng. Teko ena e lekanya boholo ba VO2, ho otla ha pelo, phapanyetsano ea khase ka ho hema le boiteko bo bonoang ho latela matla a thupelo.


Teko hangata e kopuoa ke ngaka ea pelo kapa ngaka ea lipapali ho lekola baatlelete, kapa ho lekola bophelo bo botle ba batho ba nang le mathata a matšoafo kapa a pelo, mme maemong a mang, palo ea lactate maling le eona e lekantsoe qetellong ea teko.

Hape bona hore na sekhahla sa pelo se loketseng ho theola boima ba 'mele.

2. Ho etsa liteko tse sa tobang

Boholo ba VO2 bo ka hakanngoa ka tsela e sa tobang ka liteko tsa 'mele, joalo ka tlhahlobo ea Cooper e lekolang matla a aerobic, ka ho sekaseka sebaka se koahetsoeng ke motho nakong ea metsotso e 12, ha a ntse a tsamaea kapa a matha ka bongata bo phahameng.

Hang ha litekanyetso li tsejoa, ho hlokahala hore ho baloe ho sebelisoa equation, e tla fana ka boleng bo phahameng ba VO2 ba motho ka mong.

Fumana hore na tlhahlobo ea Cooper e etsoa joang 'me u bone hore na u ka tseba joang hore na VO2 e phahameng hakae.

Mokhoa oa ho eketsa boholo ba VO2

Ho eketsa boholo ba VO2 ho hlokahala ho eketsa koetliso ea 'mele hobane e ntlafatsa boemo ba' mele, e etsa hore 'mele o ts'oare hantle oksijene o e sebelise ka tsela e nepahetseng, o qobe mokhathala. Ka tloaelo, ho khonahala feela ho ntlafatsa VO2 max ka 30% mme ntlafatso ena e amana ka kotloloho le palo ea mafura a 'mele, lilemo le boima ba mesifa:


  • Palo ea mafura: mafura a 'mele a fokolang, VO2 e kholo;
  • Lilemo: ha motho e monyane a le monyane, VO2 ea bona e ka ba holimo;
  • Mesifa: boholo ba mesifa, matla a VO2 a matlafala haholoanyane.

Ntle le moo, koetliso e matla e nang le bonyane 85% ea sekhahla sa pelo e boetse e thusa haholo ho eketsa sekhahla sa VO2, empa kaha ena ke koetliso e matla haholo, ha e khothalletsoe ho mang kapa mang ea qalang ho ikoetlisa. Ho qala boikoetliso le ho eketsa VO2, ho khothaletsoa koetliso e bobebe, e ka bang 60 ho isa ho 70% ea VO2, e lokelang ho tataisoa kamehla ke mokoetlisi oa boikoetliso. Ntle le moo, khetho ea ho ntlafatsa VO2 ke ka koetliso ea nako, e etsoang ka matla a holimo.

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