Features 1、Ergonomic design, oval shape, in line with the different lengths of the five fingers, all fingers can be trained at the same time, the effect is better. 2、Acupoint massage design in the reflection area, combined with traditional Chinese type holographic therapy, stimulates acupuncture points, regulates visceral yin, yang and blood in the human body, reduces disease and promotes health. 3、Crossed finger design, if the user's finger is not flexible, the crossed finger design can effectively prevent the ball from sliding down. 4、Breathable and not sultry, the raised bumps can effectively reduce the contact between the skin and the sphere, the middle is ventilated and breathable, and the hand will not be sultry. 5、Suitable for dysfunction of fingers and wrists in patients with hemiplegia, weakness of fingers and wrists. Specification Condition: 100% Brand New Item Type: Hand Strengthener Color: Yellow Material: PVC Introduction: It uses durable and highly elastic materials, suitable for all ages, can exercise the strength of the first long muscles and the flexibility of fingers, suitable for primary strength training and rehabilitation training. Function: Exercise fingers, arm strength. The grip ball is not very big, just hold it in the hand of your hand. Hold the grip ball and squeeze hard, you can feel the pressure of the grip ball to your fingers. Generally, if you continue to hold N times, you will feel palms numbness and fever, and then you will feel very comfortable. Because when the grip ball is squeezed hard, the flexible ball deforms to fill the hand, and the hand is loose and tight to grip. The ball can effectively stimulate the major points of the hand to achieve the effect of exercise and healthy care. Features: Because of the small size of the grip ball, it can be carried in your pocket and taken away by trains or car. Therefore, it is more suitable for people who often work with fingers and often go out. Basic exercises: Hold the grip ball completely in the hand, do ten hand extension exercises, first do the right hand exercises and then the left hand exercises, and practice alternately. Applicable people: 1. Hand extensor hallucis longus and finger extensors healthy exercise, prevention and correction of contracture stiffness. 2. Carpal extensor muscle and finger extensor muscle paralysis (radial nerve paralysis). 3. The dysfunction of fingers and wrists of patients with hemiplegia, and the weakness of fingers and wrists, improve the muscle strength and joint activities of relevant parts through training. 4. Control the increase of flexor muscle tension and atrophy of large fish muscle. 5. Prevent finger flexion and spasm, prevent finger joint deformation and deformity. 6. Correct the fingers while assisting in training the flexibility of the fingers. Package List 1 x Hand Strengthener