1 What size fitness ball do you usually use for yoga balls? They are generally made of PVC materials harmless to human body, with a diameter of 55-75cm and need to be inflated. There are also smaller ones suitable for children and larger ones suitable for extremely tall people. But when choosing the ball, we should not only consider the height, but also the length of the legs and the comfort of sitting in different positions.

1.5- 1.6 meters people choose a ball number of 55-60 cm (about 60).

1.6- 1.7 meters crowd choose the ball number of 60-65 cm (about 65).

1.7- 1.75 meters crowd choose the ball number of 65-70 cm (about 70).

1.75 meters above, choose a ball of 70-75 cm (about 75 yards). If you are a petite girl, you can choose 45 cm or 55 cm fitness balls, while 65 cm and 75 cm fitness balls are more suitable for tall men. In addition to the choice of size, it is more important to choose a sturdy and durable fitness ball produced by regular manufacturers, which is very elastic and safe.

2 What is a yoga ball? Yoga ball is also called fitness ball or yoga fitness ball. It is a ball sports tool with fitness. Most of the materials are soft PVC materials.

When the human body is in contact with it, the internally inflated fitness ball will evenly contact the contact part of the human body, thus generating a massage effect, which is beneficial to promoting blood circulation.

The main function of yoga ball is to exercise our abdomen, waist and back, which is very suitable for us sedentary people to practice. Practicing yoga on the ball is very helpful for us to lose weight

It can effectively massage muscles, relax the body and consume fat. At the same time, it is also an ability to improve attention, reduce mental stress and enhance the endurance of limbs and spine.

What are the benefits of practicing yoga? 1. Training the human body to balance the yoga ball is an "unstable" yoga auxiliary tool. When you leave the ground with the help of a yoga ball, try to keep balance, and don't let the ball roll or let yourself fall off the ball. This requires the comprehensive strength control of your legs, waist and abdomen, which can well maintain the coordination and muscle strength of your body.

2, massage effect Yoga ball movements will try to make the body fully contact with the spherical surface, and the yoga ball is made of soft PVC material. When the human body comes into contact with it, the yoga ball will massage the body evenly and gently, which is conducive to promoting blood circulation.

3. Correct posture When you sit on the yoga ball, all parts of your body are constantly fine-tuned to keep your body stable. These small movements can promote blood circulation, strengthen the strength of the back and abdomen, make you sit up straight, involuntarily open your shoulders, and correct your long-term wrong sitting posture.