The dumbbell, a type of free weight, is a piece of equipment used in weight training. It can be used individually or in pairs (one for each hand).
Read more about Dumbbell: History, Etymology, Types, Top Weights
The dumbbell, a type of free weight, is a piece of equipment used in weight training. It can be used individually or in pairs (one for each hand).
Read more about Dumbbell: History, Etymology, Types, Top Weights