Hauv nws daim ntawv yooj yim tshaj plaws, dumbbells tuaj yeem taug qab mus rau cov neeg Greek thaum ub rov qab mus rau 5th Century BC. Tom qab ntawd hu ua h altere, Greek version ntawm lub dumbbell yog lub pob zeb oblong-puab nrog lub kov.
Thaum twg dumbbells pib siv rau kev qoj ib ce?
In 1864, nrog rau kev tso tawm ntawm John Blundell phau ntawv, "Cov leeg thiab lawv Zaj Dab Neeg," dumbbells tau dhau los ua neeg nyiam dua thiab ib qho chaw ntawm cov neeg nyiam kev noj qab haus huv txhua qhov chaw. Thaum kawg, lub tswb nrov "dub" tau hloov nrog qhov hnyav hlau uas tuaj yeem hloov kho.
Thaum twg yog thawj qhov hnyav tau tsim?
History of Dumbbells
Lub tswv yim ntawm lub dumbbell yog thawj zaug ze li 2,000 xyoo dhau losCov Greeks thaum ub tau tsim ib qho khoom siv hu ua h altere, uas yog lub pob zeb zoo li crescent nrog ib tus kov. Lub forerunner ntawm lub dumbbell no tau siv los ua qhov hnyav thiab hnyav hauv cov xwm txheej dhia ntev.
Ntau npaum li cas yog thawj lub dumbbells?
$135. Luj: 14 lbs.
Vim li cas dumbbells thiaj kim?
Dumbbells yog ua los ntawm hlau, uas raug nqi ntau dua li lwm yam khoom siv hauv ntau yam khoom. Dumbbells yuav tsum tau ua kom ntev heev, uas txhais tau hais tias lawv cov khoom tsim tau zoo yuav tsum yog qhov zoo tshaj plaws, uas nws tus kheej ntxiv rau tus nqi nce.
