Coordination training with the Gorilla Sports balance ball: The Gorilla Sports balance ball with handles improves coordination and strengthens abdominal muscles. Blue with black details, this balance trainer will also work on balance. Its grooved blue side inflates quickly and easily with the included hand pump. The underside is flat, black and non-slip. Finally, it has 2 ropes on the sides with foam handles. Key features: This device can be used for a variety of muscle-building exercises to improve balance and fitness. This equipment can be used on both curved and flat sides. Suitable for amateur and top-level athletes of all ages, fitness clubs, personal trainers (sports coaches), sports clubs and physiotherapists. Blue color. Dimensions: diameter 52 cm - height 18 cm. Handles: diameter 3 cm x length 11 cm. Rubber cord length: 85 cm. Using the Balance trainer Gorilla Sports :Training with the balance ball strengthens the abdominal muscles, increases endurance and improves coordination. It is particularly useful for rehabilitation exercises. The intensity of training can be varied by switching from the black to the blue side. Regular training improves your sense of balance and helps combat back pain.