WRIST EXPANDER Russian patent published in 2023 - IPC A63B23/16 

FIELD: sports and medicine.

SUBSTANCE: invention relates to devices for training and rehabilitation of the muscles of the hand, in particular for the simultaneous training of the fingers of both hands. The carpal expander contains a body consisting of two handles, between which a spring is installed, and it is provided with an elastic sheath and antifriction lubricant, the handles of the body are made in the form of solid cones with hollow cylindrical skirts, the tops of the cones of which are oriented outward, and the hollow cylindrical skirt of one handle is installed in hollow cylindrical skirt of the other handle with the possibility of movement, and the spring is installed in the cavity formed by both hollow cylindrical skirts of the handles, the elastic shell is installed on the body handles, and the anti-friction lubricant is placed between the handles and the inner surface of the elastic shell.

EFFECT: providing uniform training of the muscles of all fingers of the hand.

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