1. Walk unsteadily and often fall or fall.

2. Hands and feet are not flexible and clumsy, so it is difficult to complete simple movements.

3. It's easy to lose your balance, for example, you can't keep stable when standing on one foot.

4. Poor performance in sports, such as running, jumping and throwing.

We need help in our daily life, such as dressing, tying our shoelaces and brushing our teeth.

6. Encounter difficulties in learning, such as writing, drawing, doing manual work, etc.

7. Poor performance in social activities, such as participating in sports activities and dance performances.