Dumbbell wani nau'i ne na kayan taimako don ɗaukar nauyi da motsa jiki, wanda ake amfani da shi don gina ƙarfin ƙarfin tsoka. Domin babu sauti lokacin yin aiki, ana kiran shi dumbbell.
Dumbbells sune na'urori masu sauƙi da ake amfani da su don ƙarfafa tsokoki. Babban kayan sa shine simintin ƙarfe, wasu tare da Layer na roba.
Ana amfani da shi don horar da ƙarfin tsoka, horarwar motsi na fili na tsoka. Ga marasa lafiya da ƙananan ƙarfin tsoka da ke haifar da gurɓataccen motsi, zafi da rashin aiki na dogon lokaci, riƙe dumbbells kuma yi amfani da nauyin dumbbells don yin motsa jiki da karfi da juriya don horar da ƙarfin tsoka.
Dumbbells suna horar da tsoka guda ɗaya; Idan an ƙara nauyin nauyi, ana buƙatar daidaitawar tsokoki da yawa, kuma ana iya amfani da shi azaman nau'in horo na aikin fili na tsoka.
Taimako don ɗaga nauyi da motsa jiki. Akwai nau'i biyu na kafaffen nauyi da daidaitacce nauyi. ① Kafaffen nauyi dumbbells. Yi jifa da baƙin ƙarfe na alade, sandar ƙarfe a tsakiya, duka ƙarshen ƙwanƙarar ƙwallon zagaye, saboda babu sauti yayin aikin, mai suna dumbbell. Ma'aunin nauyi na dumbbells shine 6, 8, 12, da 16 fam (lamba 1 = 0.4536 kg). Ma'aunin nauyi na dumbbells sune 10, 15, 20, 25, 30 kg, da dai sauransu. ② daidaitacce dumbbells. Hakazalika da raguwar ƙwanƙwasa, a cikin gajeriyar sandar ƙarfe a kan ƙarshen nau'in nau'in nau'in ƙarfe na zagaye, kimanin 40 ~ 45 cm tsayi, ɗagawa ko motsa jiki na iya karuwa ko rage nauyi. Sau da yawa yin motsa jiki na dumbbell, na iya ƙarfafa ƙarfin tsoka na sassa daban-daban na jiki.
Sanannen abu ne cewa yakamata a gudanar da nazarin daidaitawa na ƙarfin centrifugal lokacin da aka gudanar da gwajin lafiyar ɗan sama jannati. Ƙarfin centrifugal zai iya sa ainihin abu tare da ƙananan taro ya sami sau da yawa mafi yawan makamashin motsi fiye da yadda aka saba a cikin lokaci guda, kuma ya ci gaba da haifar da rashin ƙarfi, don haka ba za a iya yin la'akari da ƙarfin ƙarfin centrifugal ba. Masana'antar kayan aikin motsa jiki ta yi ƙoƙarin nemo hanyoyin da za a yi amfani da irin wannan nau'in kuzarin motsa jiki na gaggawa zuwa ƙirar samfura. A karkashin wannan yanayin, an haifi sabon haɓaka makamashin motsa jiki dumbbell. Yana karya ta cikin jin nauyi na dumbbells na gargajiya kuma yana sa motsa jiki mai nauyi ya sami nutsuwa. Yana haɗuwa da halayen aiki na ƙwallon wuyan hannu da dumbbells don ba da horon tsoka mai mahimmanci da tasirin motsa jiki duka.
Lokacin aikawa: Agusta-05-2022