What Instructors Should Know About Brain Health

More instructors are teaching people with changing memory, movement, coordination, and confidence. Here’s where exercise fits, what to watch for, and why your role as an instructor is important.

As an instructor, you’re not expected to diagnose neurological conditions. However, over time, you’ll begin to notice changes in a client’s movement, memory, timing, confidence, or coordination. The key is knowing what signs to watch for and understanding how to respond appropriately.

The World Health Organisation links regular physical activity with a lower risk of dementia, and also highlights lifestyle behaviour as part of dementia risk reduction. At the same time, exercise is widely recognised as an important part of supporting people already living with Parkinson’s disease. That puts group fitness instructors in an interesting position, as you may be one of the people a client sees most often, and that means you may notice change earlier than others do.

This is exactly why Suzanne Cox’s session at the MGM Group Fitness Virtual Conference matters. Suzanne is an Accredited Exercise Physiologist who works across both clinical and gym settings, with experience supporting people with Parkinson’s disease and other neurological conditions. Her perspective is the sweet spot between evidence and real world application, which is what instructors need most.

Let’s clear up the language

These terms often get thrown around as if they mean the same thing, but they do not.

Dementia is an umbrella term. It describes a group of symptoms that affect memory, thinking, behaviour, and the ability to carry out everyday tasks. Alzheimer’s disease is the most common cause of dementia. Parkinson’s disease is a movement disorder, but it can also affect thinking, mood, processing speed, and other non-motor functions, especially as it progresses.

For instructors, that distinction is important because the way change shows up in class may look different from one client to the next.

What might an instructor notice?

Sometimes the signs are obvious. A client who once moved with ease now seems hesitant. Someone who followed class structure well for months suddenly struggles to remember a familiar sequence. Another person starts freezing during transitions, loses confidence with turns, or needs more time to respond to a cue.

Sometimes it is more subtle than that. They may look overwhelmed by too much information. Their reaction time may slow. Their coordination may seem less consistent. Their facial expression may look flatter, their arm swing may reduce, or their willingness to join in may start to drop.

None of those signs automatically means Alzheimer’s disease, Parkinson’s disease, or another neurological condition. Plenty of other factors can affect performance in class, including poor sleep, medication, pain, stress, hearing issues, low confidence, or simply having an off day. But if a change is persistent, noticeable, and outside that person’s usual pattern, it is worth paying attention to.

That is where instructors can be so valuable. You see people regularly. You see them moving. You see how they process. You see what changes over time.

Exercise, Brain Health, and the Problem With Big Claims

Exercise is not a cure. It is not a guarantee. It is not the only factor that matters.

However, it is one of the strongest tools we have.

WHO guidance on dementia risk reduction includes physical activity as part of the lifestyle picture, and WHO also recommends physical activity interventions for people living with dementia. The Alzheimer’s Association says a growing body of evidence shows that addressing modifiable risk factors and promoting healthy behaviours can reduce the risk of cognitive decline, and possibly reduce dementia risk. The Parkinson’s Foundation states that exercise can improve mobility, flexibility, balance, and some non-motor symptoms in people living with Parkinson’s.

That means exercise has value on both sides of the conversation. It matters as part of risk reduction, and it matters as part of living well with a condition that is already present.

This is where behaviour change comes in

People stick with classes when they feel capable, safe, seen, and successful. They keep turning up when the class feels clear, welcoming, and easy to follow, and when the environment helps build confidence from the moment they walk in. That applies to everyone, and it becomes even more valuable for clients who are working to build trust in their bodies, process information, and stay connected to the flow of the class. This is why your teaching style matters. Familiar structure matters. Repetition matters. Pacing matters. Clear cueing matters. Reducing unnecessary complexity matters.

Some clients will respond best to a class that gives them time to settle in, understand the flow, and experience success early. Clear transitions, simple layering, familiar sequencing, and a calm delivery can all help people stay engaged and move with more confidence.

Challenge is still part of the process. The difference is in how that challenge is delivered. When the structure is clear and the pace gives people time to respond, the class becomes more accessible, more effective, and easier to stay connected to.

What can you do in your classes?

Start with what makes participation easier.

Use consistent movement names. Keep directional changes clear. Avoid overloading people with five instructions at once. Demonstrate when needed. Repeat key points. Give people time to settle into a pattern before changing it. Build confidence before complexity.

If someone seems less steady, think about the setup. Where are they standing? Can they see and hear clearly? Are there moments where transitions could be creating unnecessary stress?

If someone is processing more slowly, check your own delivery. Are you cueing too late? Are you changing things for variety before the room has mastered the base pattern? Are you speaking in a way that helps the group?

This Is Showing Up in Classes Already

Brain health is no longer a niche topic. It is part of many people’s reality.

If you teach adults, especially in mixed populations, you will work with people whose movement and cognition are changing, whether or not they have a diagnosis. The question is whether you know enough to support them well, understand where exercise fits, and recognise when something may need referral.

Suzanne Cox’s session will unpack the conditions you are most likely to encounter, which symptoms may warrant concern, which kinds of exercise are most helpful, and what influences whether people actually change their habits and keep participating. That combination matters because knowledge alone is not enough. Instructors need to know the science, but they also need to know how to coach the human in front of them.

Join us for the MGM Group Fitness Virtual Conference 2026 and learn from Suzanne Cox in this important session. If the live event has passed, you can still access the recording with lifetime access and earn education points, including 5 AusActive CECs, 8.5 REPs NZ CPDs, and 30 FitRec points.

Click Here To Register