Specification: Item Type: Finger Exercise Sphere Material: TPR Size: Approx. 12.3 x 9.3cm 4.8 x 3.7in Suitable People: 1. Extensor muscle and finger extensor function exercises to prevent and correct contracture stiffness. 2. Paralysis of wrist extensor and finger extensor muscles (radial nerve palsy). 3. In patients with hemiplegia, the fingers and wrists are dysfunctional, and the fingers and wrists are weak. Through training, the muscle strength and joint activities of related parts can be improved. 4. Control the increase of flexor muscle tension and the atrophy of muscle of thenar. 5. Prevent finger flexion and spasm, prevent finger joint deformation and deformity. 6. While correcting the fingers, it assists in training the flexibility of the fingers. Usage: 1. Put in four fingers 2. Hold the sphere 3. A loose and a grasp 4. Hand training Package List: 1 x Finger Exercise Sphere Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.LIGHTWEIGHT AND PORTABLE: The finger exercise sphere is lightweight and small enough to carry around with you. This handy workout tool is virtually lightweight and has a compact design that is only the size of the palm of your hand. You can easily carry it in your bag or pocket whenever and wherever you want to exercise your fingers and hands. It is the perfect portable workout tool. BASIC EXERCISE: Hold the sphere completely in your palm and do ten hand stretches, alternating between right-handed and left-handed exercises. The basic exercise involves holding the sphere completely in the palm of one hand and stretching the hand open for 10 repetitions. Repeat 10 times with the other hand. Alternate left and right for a complete workout. HOW TO USE: The training sphere is small enough that you can feel the pressure of the sphere on your fingers by simply placing it in the palm of your hand, holding the sphere in your hand and squeezing it firmly. This exercise sphere fits neatly in the palm of your hand. To use, simply hold the sphere between your thumb and fingers and squeeze firmly. FUNCTION: Exercise finger and arm strength exercise finger and arm strength exercise finger and arm strength exercise finger and arm strength. Using the sphere helps to build muscle strength in the hands, fingers, forearms and upper arms. The squeeze sphere works all the small muscles of the fingers and hand, while the control sphere builds arm strength. HIGH QUALITY MATERIAL: Builds hand muscles and finger dexterity, suitable for beginner strength training and rehabilitation. This fitness sphere is made of high-quality elastic material for durability. The durable design makes it an ideal tool for building hand and finger strength and dexterity.