Mastering Movement: The Hidden Role of the Cerebellum and 3 Tests to Uncover It

Introduction to the Cerebellum

Hello everyone and welcome to this new episode of Lab Quarter Hour, the podcast that explores the link between the brain and performance. Today, we’re diving into a 100% practical format. I will share three functional tests that you can directly use with your clients to assess one of the most fascinating and underestimated areas of the brain: the cerebellum.

Often associated with the cortex for everything related to thinking and movement, the cerebellum, often called the little brain, is actually a silent optimizer. It is responsible for the fluidity of movements, balance, but also for optimizing new skills, fine coordination, and even regulating our attention. In short, a well-functioning cerebellum translates to a client who learns quickly, moves with ease, and has a clear mind.

Conversely, a poorly calibrated cerebellum may explain why a client remains clumsy or jerky in their movements, despite hours of practice. So, how do we test this?

Evaluation Criteria

Before starting the tests, several criteria need to be considered:

• Ability to perform: Does the person succeed in the test?
• Comfort: Do they perform the exercise fluidly or do they appear tense?

The Three Tests

Test 1: Balance

For this first test, we will assess balance in relation to the central part of the cerebellum. Here’s how to proceed:

1. Ask the person to stand with their feet hip-width apart and to stretch themselves up.
2. Place the right hand on the left shoulder and the left hand on the right shoulder to normalize arm position.
3. Ask them to shift their weight onto one leg and lift the other leg.
4. Evaluate their ability to maintain balance. If they are comfortable, ask them to close their eyes and hold the position for 30 seconds.
5. Repeat the same process for the other leg.

For the test to be validated, the person must be able to hold the balance for 30 seconds on each leg while remaining relaxed.

Test 2: Upper Body Coordination

The second test will evaluate coordination. Here are the steps:

1. Ask the person to place their elbow at waist level, palm facing up.
2. The opposite hand should cross the midline and touch the palm of the other hand.
3. They should alternate pronation and supination as quickly as possible for 15 to 20 seconds.

Observe the fluidity and coordination between both sides. Is there a noticeable difference?

Test 3: Lower Body Coordination

This test focuses on lower body coordination. Here’s how to proceed:

1. Ask the person to tap with their foot, heel in contact with the ground.
2. They should perform this tapping movement as quickly as possible for 15 to 20 seconds.
3. Repeat the exercise on the other side.

Evaluate the fluidity and coordination, as well as any signs of fatigue or cramping.

Conclusion

You now have three simple tools to gain a functional insight into your clients' cerebellum: static balance, upper body coordination, and lower body coordination. These tests will provide you with valuable data without questioning your skills.

To go further, a small ebook is available in the description, offering practical exercises to recalibrate the cerebellum after the assessment. Remember that these tests are not just a simple motor evaluation but a window into your clients’ learning capacity and concentration.

Thank you for listening to this podcast!