1. Fitness handball can make fingers, palms and wrists bend and stretch flexibly through the movement of fingers and palms, promote the movement of upper limb muscles such as fingers, wrists and elbows, and prevent and correct symptoms such as numbness, trembling and decreased grip strength of upper limbs caused by degenerative diseases of the elderly.

2. Fitness handball can stimulate the second and third metacarpal bones of the palm, and has the function of regulating the central nervous system, thus achieving the effects of calming the nerves, strengthening the brain and improving intelligence, thus enhancing the physiological functions of internal organs.

3. Fitness handball rolls in the palm of your hand through the movement of your fingers, and constantly impacts many acupoints on your hand regularly. They are the starting points of several important meridians of the human body, which are closely related to the five internal organs and have corresponding regulation and health care effects on many organs of the whole body.