I-Dumbbell luhlobo lwezixhobo zokuzilolonga zoqeqesho lwemisipha.Isetyenziswa ikakhulu kuqeqesho lwamandla emisipha kunye noqeqesho lwentshukumo edityaniswe nezihlunu.Ukuzivocavoca rhoqo kwe-dumbbell kunokusebenzisa ngokufanelekileyo imisipha yesifuba, isisu, amahlombe, imilenze kunye nezinye iindawo.Inesiphumo esifanayo nezinye...
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