vinyl dumbbell set

The dumbbell is a kind of simple apparatus used to enhance the muscle strength training.

It is the main material of cast iron dumbbell, a rubber casing.

Its purpose is strength training, training compound muscle action. For motor paralysis, pain, not activities lead to the low strength of patients for a long time, holding a dumbbell, can use dumbbell weight for resistance movement actively, training of muscle strength.


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