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Free gallery of gifs of dumbbellsA dumbbell is a type of free weight, which is a piece of equipment that is used mainly in weight training.
All the gifs of dumbbells in this free gallery to use as you like A gym dumbbell is a type of free weight. Free weights do not constrain users to specific movements, unlike weight machines, and therefore require more effort from the muscles. That is why free weight exercise is superior to weight machine exercise. Free weights include dumbbells, barbells, medicine balls, etc. Dumbbells are used in weight training, and can be used individually or in pairs, with one in each hand. They often consist of a metal bar and some weight disks (or plates) that slide into the outer portions of the dumbbell.