The Sanctband egg shaped hand exerciser is ergonomically shaped and comes in a progressive sequence of 4 resistances. It strengthens hands, fingers, forearms and will work the muscles separately or together. It can be used for rehabilitation as well as for sports training or stress relief. Muscles that are situated in your forearms are the ones controlling your fingers. Your forearm flexors control the closing of your hand, while your forearm extensors control the opening. These muscles will be the primary beneficiaries of using the hand exerciser.
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