For right choice for fitness ball must consider the purpose of employment, your weight and height. High-quality ball should have antirazryvnuyu security system, that is, if you accidentally break or cut the air will slowly go out. Marking Safety ABS or BRQ must be indicated on the ball. Inflated and deflated air from feetball you can use normal hand, foot or electric pump. To check whether the inflated ball, sit on it and see if you slide down it, the air in it too much, and if it fails - a little.
Surface of the ball may be littered with hard spines. This model is designed for massage, and during exercise such spikes sensory affect all parts of the body. On fitball sometimes handle in the form of staples or horns, holding that beginners, children and expectant mothers feel more confident. The smooth surface of the ball is ideal for training the youngest athletes: in contact with the training of their delicate skin will not feel any discomfort.
Orthopedic gymnastic ball fitness is 45-85 cm in diameter. The static load of the ball is 300 kg and the athlete should not exceed 130 kg. When selecting important to consider the size of the angle between the hip and thigh of a seated person, which must be equal to 90-100 degrees.
Ball Diameter 55 cm suitable for children 5-10 years, with the growth of 150-170 cm choose fitball diameter of 65 cm, for the toughest people - 185 cm and above.
Check in practice correspond to your ball. Sit on it, put the feet shoulder width apart and your back straight, lock the position with his hands behind him. Angle of 90 degrees must be between the torso and hips, thighs and lower leg, lower leg and foot.
Keep fitball recommended inflated form, away from sunlight and heat sources. If the ball is accidentally damaged, it can be repaired with special glue on the manufacturer and re-used for other purposes.