Iyo kambani PowerBlock, Inc
Imba / Commercial Adjustable Dumbbell, Adjustable Kettlebell, Barbell, Bhenji
PowerBlock, Inc. yakavambwa muna 1991 nevagadziri vemidziyo yekusimba vakave shamwari vachigadzira michina yemakambani akati wandei anosanganisira Parabody neCybex. Pavaitsvaga zvinodiwa chaizvo muindasitiri yekusimbaradza muviri, vakakweverwa kune hombe dzemadumbbells dzavaizosangana nadzo muzvitoro zvemhando yepamusoro zvavaishanyira. Paifanira kuve neimwe nzira iri nani yekupa vanofarira kusimba nekuita mukana wezviremera zvemaoko pasina nzvimbo uye zvirambidzo zvechinyakare racks uye dumbbells. Yakanga iri pano iyo pfungwa yePowerBlock yakazvarwa. Mushure memakore maviri ekuyedzwa kukuru, PowerBlock yakatanga kutengesa ichangobva kugadzirwa "selectized dumbbell". Kubva ipapo, PowerBlock yakaramba iri mutungamiri muindastiri yekusimbaradza sezvo isu tichigara tichiedza kuzviitira isu mukutsvaga kugona.