Hand grip trainer for fingers YJ-8819

Description

Hand grip trainer for fingers YJ-8819 The SP-Sport POWER WRIST JY-8819 hand exerciser is shaped like a ball, which ensures a natural hand position during exercises. Its dimensions are 12x9.5x7 cm, making it comfortable to grip with either one or both hands. It is made from durable, safe materials: the base is made of polyvinyl chloride (PVC), and the coating is silicone, giving the product softness and elasticity. An internal metal mechanism provides resistance when squeezed, allowing you to train the muscles of the hand and fingers. The trainer works on the principle of repeatedly squeezing and releasing the ball, which activates the muscles of the hands and forearms. The resistance level provides a proper muscle load, helping to strengthen them and build endurance. Purpose The SP-Sport POWER WRIST JY-8819 hand exerciser is designed to strengthen the muscles of the hands and fingers, improve coordination and develop grip strength. It is suitable both for athletes and for people who do physical work, or for those recovering from hand and finger injuries. Advantages: Can be used for rehabilitation, daily training and the prevention of conditions related to insufficient joint mobility in the hands. Suitable for people with different levels of fitness. The exerciser's size makes it easy to carry with you and train at any convenient time.