Zida Zolimbitsa Thupi Zamalonda za Urethane Round PU Dumbbells

Polyurethane ndi mtundu wa polima womwe uli ndi gawo la carbamate mu unyolo waukulu. Zinthu za polima izi zimagwiritsidwa ntchito kwambiri zomatira, zokutira, matayala othamanga, ma gaskets, MATS agalimoto ndi ntchito zina zamafakitale. Polyurethane amagwiritsidwa ntchito kupanga thovu zosiyanasiyana ndi masiponji apulasitiki m'moyo watsiku ndi tsiku. Polyurethane amagwiritsidwanso ntchito popanga makondomu, monga Okamoto 001, ndi zida zamankhwala. Chikhalidwe china cha polyurethane ndi kutsika kwake kwamafuta otsika kwambiri. Ichi ndiye dumbbell yapamwamba kwambiri pamsika, yokhala ndi chitetezo chambiri chachilengedwe komanso osanunkhiza. Mutha kupuma mosavuta uku mukutuluka thukuta.

Ubwino wochita masewera olimbitsa thupi nthawi yayitali ndi dumbbells:

1. Kuchita kwa nthawi yaitali kwa ma dumbbells kumatha kusintha mizere ya minofu ndikuwonjezera kupirira kwa minofu. Kuchita masewera olimbitsa thupi pafupipafupi ndi kulemera kolemera kumatha kulimbitsa minofu, kulimbitsa ulusi wa minofu, ndikuwonjezera mphamvu ya minofu.

2. Ikhoza kuchita masewera olimbitsa thupi apamwamba, m'chiuno ndi m'mimba. Mwachitsanzo, pochita ma sit-ups, gwirani ma dumbbells kumbuyo kwa khosi ndi manja onse awiri, zomwe zingathe kuwonjezera katundu wa masewera olimbitsa thupi a m'mimba; gwirani ma dumbbells kuti muzitha kusinthasintha mozungulira kapena masewera olimbitsa thupi, omwe amatha kuchita masewera olimbitsa thupi mkati ndi kunja; Kukweza mkono, kukweza kumbuyo, etc. kumatha kuchita masewera olimbitsa thupi pamapewa ndi pachifuwa.

3. Kuchita masewera olimbitsa thupi apansi. Monga squat ndi phazi limodzi ndi dumbbells, squat ndi kudumpha ndi mapazi onse, etc.