In the pre-tests, untrained motor responses of students to an unintentional backward fall are recorded. This fall is carried out in a controlled and secure setting, prioritizing and ensuring the child's safety above any other objective. However, not all students react the same way to the induced imbalance in the starting position of the test. In some cases, avoidance responses may be observed, characterized by the child's actions such as:

• Not listening to instructions, not reacting to given directions
• Grabbing onto the controller.
• Displaying bodily stiffness and rigidity.
• Bending their arms and leaning forward
• Slipping their feet and sitting on the mat
• Not leaning backward.
• Trembling.
• Others

In cases where fear is extremely intense, the controller will gently lower the student to the ground without releasing their arms at any point, or they may directly invalidate the subject's test, making a note of this circumstance in the recording sheet (observations)