Kev Noj Qab Haus Huv Kev Noj Qab Haus Huv Siv Los Ntsuas VO2 Max
Tus Bruce raws tu qauv kev sib tw yog siv los kwv yees tag nrho cov kev sib tw ntawm kev sib tw kis las. Qhov kev kuaj ntawd yog tsim los ntawm kws kho mob plawv Robert A. Bruce hauv xyoo 1963 ua ib qho kev kuaj mob uas tsis yog kev sib tw los ntsuam xyuas cov neeg mob uas xav tias muaj kab mob hauv lub plawv. Hauv qhov chaw kho mob, qhov kev cai lij choj Bruce treadmill qee zaum yog hu ua kev sim siab lossis kev ua siab qoj ib ce.
Qhov kev kuaj no tuaj yeem siv los kwv yees seb yuav ua li cas thiaj li muaj cov pa roj carbon dioxide ( VO2 max ), uas yog ib qho kev ntsuas ntawm ib tus kis las uas muaj peev xwm ua tau kom muaj zog. Nws yog txuas rau aerobic endurance.
VO2 Max Kev Xeem
Cov pa roj carbon monoxide upstream ( VO2 max ) yeej yog hais txog qhov siab tshaj ntawm cov pa oxygen uas tus neeg tuaj yeem siv tau thiab siv thaum lub sijhawm khaus lossis ua qhov kawg. Nws yog ntsuas raws li cov milliliters ntawm cov pa uas siv hauv ib feeb twg ib kilogram ntawm lub cev qhov hnyav (ml / kg / min).
Kev ntsuas ntawm Bruce treadmill yog ib qho kev xeem tsis ncaj ncees uas kwv yees VO2 max siv lub mis thiab tus neeg ncaws pob lub peev xwm los qoj ib ce muaj zog raws li qhov haujlwm tau nce. Lwm txoj hauv kev ntsuas VO2 max yog ntau qhov cumbersome thiab yuav tsum tau khaws cov nyiaj ncaj qha thiab ntsuas ntawm cov pa oxygen thiab cov pa oxygen ntawm kev nqus pa thiab pa tawm hauv cov pa uas siv cov neeg ncaws pob siv thaum khiav. Cov khoom sau no yog txiav txim tias seb cov pa kub ntau npaum li cas thaum lawv khiav.
Kom meej meej, qhov kev ntsuam xyuas ncaj ncaj ntawd yuav tsum tau siv ntau cov khoom siv thiab cov ntaub ntawv ntau dua thiab cov ntaub ntawv khaws tseg tias lub mis raws li lub sij hawm nyob rau hauv cov kab ciav.
Yuav Tshawb Pom Li Cas VO2 Max Siv tus Txheej Txheem Tshuaj Tiav Cov Tub Ntsuag Tuaj Xyaum
Tus Bruce raws tu qauv yog qhov kev sim siab ntawm qhov chaw ua haujlwm uas cov neeg ua haujlwm ua kom tiav qis raws li qhov ceev ceev thiab toj roob nce toj txhua peb feeb.
Lub sij hawm ntev npaum li cas rau qhov kev sib tw yog qhov qhab nia xeem thiab siv tau los kwv yees cov nqi VO2 max. Thaum kuaj, lub plawv dhia, ntshav siab thiab kev ntsuas ntawm qhov kev ua haujlwm zoo mas feem ntau kuj tau sau tseg.
VO2 Max Treadmill Test Cautions
Vim tias qhov kev xeem Bruce treadmill yog qhov kev sim siab ua qhov siab, nws tsis yog ib yam dab tsi uas yuav ua tau yam tsis muaj tus kws kho mob kev paub meej thiab kev saib xyuas kev paub. Hauv ib tus neeg tsis paub lossis ib tus kislas uas muaj lub plawv mob hauv plab, kev ua kom lub zog ua rau tuaj yeem ua rau raug mob los yog muaj teeb meem hauv plawv. Thaum lub sij hawm ua qhov kev ntsuam xyuas kev nyuab siab, cov kws kho mob yuav saib xyuas tus neeg mob cov cim tseem ceeb tsis tu ncua thiab nres qhov kev sim ntawm txhua qhov teeb meem.
Rau ib tug neeg kis las, tus kws tshaj lij yuav tsum saib xyuas lub plawv dhia thiab lub suab qis thoob plaws hauv kev xeem. Nco ntsoov tias koj tus kws ntsuam xyuas kev kuaj mob muaj qhov kev kuaj mob uas tsim nyog thiab tau soj ntsuam cov kev kuaj no ntau zaus ua ntej koj mus rau qhov kev sib tw rau koj tus kheej.
Bruce Treadmill Cov Qib Tshuaj Tiv Thaiv
Theem 1: 1.7 mph ntawm 10 feem pua
Theem 2: 2.5 mph ntawm 12 feem pua
Theem 3: 3.4 mph ntawm 14 feem pua
Theem 4: 4.2 mph ntawm 16 feem pua
Theem 5: 5.0 mph ntawm 18 feem pua
Theem 6: 5.5 mph ntawm 20 feem pua
Theem 7: 6.0 mph ntawm 22 feem pua
Theem 8: 6.5 mph ntawm 24 feem pua
Theem 9: 7.0 mph ntawm 26 feem pua
Bruce Protocol Formula rau kwv yees VO2 Max
Cov no yog cov qauv siv:
- Rau cov txiv neej VO2 max = 14.8 - (1.379 x T) + (0.451 x T²) - (0.012 x T³)
- Rau cov poj niam VO2 max = 4.38 x T - 3.9
- T = Tag nrho cov sij hawm ntawm kev ntsuas tau raws li ib feem ntawm ib feeb (sij hawm xeem 9 feeb 30 vib nas this yuav muab sau ua T = 9.5).
Bruce raws tu qauv
| VO2 Max Norms rau cov Txiv neej raws li ntsuas hauv ml / kg / min | ||||||
| Hnub nyoog | Heev tsis zoo | Txom nyem | Ncaj Ncees | Zoo | Zoo heev | Superior |
| 13-19 | <35.0 | 35.0-38.3 | 38.4-45.1 | 45.2-50.9 | 51.0-55.9 | > 55.9 |
| 20-29 | <33.0 | 33.0-36.4 | 36.5-42.4 | 42.5-46.4 | 46.5-52.4 | > 52.4 |
| 30-39 | <31.5 | 31.5-35.4 | 35.5-40.9 | 41.0-44.9 | 45.0-49.4 | > 49.4 |
| 40-49 | <30.2 | 30.2-33.5 | 33.6-38.9 | 39.0-43.7 | 43.8-48.0 | > 48.0 |
| 50-59 | <26.1 | 26.1-30.9 | 31.0-35.7 | 35.8-40.9 | 41.0-45.3 | > 45.3 |
| 60+ | <20.5 | 20.5-26.0 | 26.1-32.2 | 32.3-36.4 | 36.5-44.2 | > 44.2 |
| VO2 Max Norms rau Cov Poj Niam uas Ntsuas hauv ml / kg / min | ||||||
| Hnub nyoog | Heev tsis zoo | Txom nyem | Ncaj Ncees | Zoo | Zoo heev | Superior |
| 13-19 | <25.0 | 25.0-30.9 | 31.0-34.9 | 35.0-38.9 | 39.0-41.9 | > 41.9 |
| 20-29 | <23.6 | 23.6-28.9 | 29.0-32.9 | 33.0-36.9 | 37.0-41.0 | > 41.0 |
| 30-39 | <22.8 | 22.8-26.9 | 27.0-31.4 | 31.5-35.6 | 35.7-40.0 | > 40.0 |
| 40-49 | <21.0 | 21.0-24.4 | 24.5-28.9 | 29.0-32.8 | 32.9-36.9 | > 36.9 |
| 50-59 | <20.2 | 20.2-22.7 | 22.8-26.9 | 27.0-31.4 | 31.5-35.7 | > 35.7 |
| 60+ | <17.5 | 17.5-20.1 | 20.2-24.4 | 24.5-30.2 | 30.3-31.4 | > 31.4 |
> Qhov chaw:
> Heyward VH, Gibson A. Qoj Kev Ntsuas thiab Kev Kho Mob , 7th Edition, Lub Koom Haum Cooper rau Kev Tshawb Nrhiav Kev Tshawb Fawb, Dallas TX, 2014.
> Kenney WL, Wilmore JH, Costill DL. Physiology ntawm kev ua si thiab kev ua si . Champaign: Human Kinetics; 2012.