What is the Dyner cushion used for?

For sitting, posture correction, rehabilitation, and balance-developing exercises.

How long should one sit on it daily?

Initially, 15–20 minutes is recommended, then it can be gradually increased to several hours as the body adjusts to active sitting.

Which side should I use?

The smooth side is more comfortable for office use, while the spiky surface has a massaging and circulation-boosting effect.

Can it be used for training?

Yes, it is an excellent tool for balance, core muscle, and stability development exercises.

How can I adjust its firmness?

It can be inflated and deflated, making it easy to customize the degree of instability.

Contraindications

1. In case of acute back or joint pain– always seek medical advice before use.
2. After recent injury or surgery– dynamic loading can slow down healing.
3. In case of severe balance disorders or dizziness– only recommended with supervision.
4. In case of thrombosis or circulatory problems– consult a doctor before use.
5. During pregnancy– abdominal pressure exercises should be avoided, but it can be used gently for sitting.
6. On an inflamed, swollen body part– do not apply directly to the affected area.