55 cm
65 cm
75 cm
85 cm
Among them, 65 cm is the most commonly used standard size, and your height is very standard. The main push is 65 cm. If you can see the real thing, sit up and pick it.
Sit on the fitness ball, make sure your thighs are parallel to the ground, and your hips can be slightly higher than your knees to ensure balance during exercise. Help you complete the action accurately.
You can add or reduce gas at any time if necessary.