MatlaBlock, Inc
Home/Commercial Adjustable Dumbbell, Adjustable Kettlebell, Barbell, Bench
PowerBlock, Inc. e thehiloe ka 1991 ke baqapi ba lisebelisoa tse khethehileng tsa boikoetliso ba 'mele ba ileng ba fetoha metsoalle ha ba ntse ba etsa lisebelisoa bakeng sa lik'hamphani tse' maloa tse kenyeletsang Parabody le Cybex. Ha ba ntse ba batla litlhoko tse khethehileng indastering ea boikoetliso, ba ile ba khahloa ke li-dumbbells tse ngata tseo ba neng ba tla kopana le tsona mabenkeleng a khethehileng a ho ikoetlisa ao ba a etileng. Ho ne ho tlameha ho ba le mokhoa o betere oa ho fana ka batho ba chesehelang boikoetliso ba 'mele ka molemo oa ts'ebetso oa litekanyo tsa letsoho ntle le sebaka le lithibelo tsa liraka tsa khale le li-dumbbells. E ne e le mona mohopolo oa PowerBlock o hlahile. Kamora lilemo tse peli tsa liteko tse matla, PowerBlock e ile ea qala ho rekisa "dumbbell e khethiloeng" e sa tsoa qaptjoa. Ho tloha ka nako eo, PowerBlock e ntse e tsoela pele ho ba moetapele indastering ea boikoetliso ha re ntse re leka ka matla ho ikemela molemong oa ho ipabola.