30th of May marks World Multiple Sclerosis Day, a time to raise awareness and understanding of a neurological condition that over 33,000 Australians live with.
Multiple Sclerosis (MS) is a neurological condition often described through its symptoms — including fatigue, weakness, and changes in balance or coordination. But these outward signs only tell part of the story. To truly understand MS, it’s important to look beneath the surface, at what is happening within the nervous system itself.
MS affects the brain and spinal cord, disrupting how the nervous system sends signals to the body and impacting movement, coordination, and energy levels.
Understanding What’s Happening Inside the Body
Multiple Sclerosis affects the central nervous system — the brain and spinal cord — which is responsible for sending and receiving messages that control movement, sensation, and coordination.
At the centre of this process are nerve fibres, which carry electrical signals between the brain and the body. These fibres are surrounded by a protective layer known as the myelin sheath, which allows signals to travel quickly and efficiently.
In MS, the immune system mistakenly attacks this myelin. This process, known as demyelination, disrupts the smooth transmission of signals. Messages that would normally travel rapidly can become slowed, inconsistent, or lost altogether.
As a result, the brain may send the correct instruction, but the body does not always receive or respond to it in the intended way. What may appear as weakness or lack of control is often a reflection of disrupted communication rather than reduced capability.
Why Symptoms Can Feel So Unpredictable
The nervous system relies on precise and well-timed communication. Signals travel along nerve pathways and pass between cells at connection points known as synapses, where information is relayed forward.
When myelin is damaged, this process becomes less efficient. Signals may arrive later than expected, with reduced strength, or slightly out of sync. This can affect how smoothly and accurately movement is carried out.
This is why MS can present with changes in coordination, balance, and muscle activation, as well as altered sensation. It also helps explain one of the most commonly reported symptoms — fatigue.
Fatigue in MS is not simply physical tiredness. It is often neurological in nature, meaning the brain and nervous system are working harder to send signals through disrupted pathways. Movements that were once automatic may now require more effort and concentration, increasing the overall energy demand of everyday tasks.
Because of this, symptoms can vary significantly from day to day. On some days, the system may function more efficiently. On others, the same task may feel noticeably more difficult. This variability is a defining feature of MS and an important factor to consider in management.
Looking Beyond Muscles — The Role of Exercise in MS
When we think about exercise, it is often framed in terms of strength, fitness, or endurance. In the context of MS, however, exercise takes on a different role.
Rather than focusing solely on muscles, exercise — particularly within exercise physiology and neurological rehabilitation — becomes a way of engaging the nervous system itself.
Because the primary challenge in MS lies in how signals are transmitted, movement can be used as a tool to help the brain and body communicate more effectively. Through repeated and structured activity, the nervous system is given consistent input, encouraging it to refine how signals are sent, received, and coordinated.
Over time, this can support improvements in the efficiency of movement. Tasks that may have once felt effortful or inconsistent can begin to feel more controlled, not because the underlying condition has changed, but because the system has adapted.
Exercise for MS is not about doing more, but about improving how efficiently the body and nervous system work together.
This process is closely linked to neuroplasticity, the brain’s ability to reorganise and strengthen neural pathways in response to repeated use. While exercise does not repair the damaged myelin, it can help optimise how the body functions around these changes.
Improving Efficiency, Not Just Capacity
One of the more important effects of exercise in MS is its impact on how efficiently the body produces movement.
When signal transmission is disrupted, the nervous system often compensates by working harder. This can lead to increased effort, reduced coordination, and the development of less efficient movement patterns.
Appropriately prescribed exercise can help refine these patterns. By focusing on controlled, purposeful movement, the body can begin to reduce unnecessary effort and improve how tasks are performed.
In this sense, the goal is not always to increase how much someone can do, but to make movement less demanding on the system. This shift often plays a key role in managing fatigue and improving overall function.
What Exercise-Based Rehabilitation Focuses On
Because MS presents differently in every individual, exercise-based rehabilitation is not built around a fixed program. Instead, it is guided by how the nervous system is responding at any given time.
There is often an initial focus on the quality of movement, as disrupted signalling can lead to compensations that, over time, increase effort and reduce efficiency. Improving how a movement is performed — making it smoother, more controlled, and better coordinated — can have a significant impact on function.
From there, attention may shift toward how the body controls and sequences movement. This includes refining timing, improving coordination, and helping the nervous system better organise how different muscle groups work together.
Postural support and stability are also commonly addressed, as changes in signalling can affect how the body maintains balance and adapts to different positions. This becomes particularly relevant for everyday activities such as standing, walking, or transferring.
Another key component is understanding fatigue. Learning how to pace activity, adjust intensity, and respond to the body’s signals allows for a more sustainable approach to movement. Rather than pushing through fatigue, the aim is to find a level of activity that can be maintained consistently over time.
Strength and conditioning still play an important role, particularly in supporting independence and functional capacity. However, they are approached with consideration of how the nervous system is responding, rather than simply progressing load.
Rethinking Progress on World Multiple Sclerosis Awareness DayÂ
Progress in MS is not always defined by visible changes such as increased strength or speed.
Often, it is seen in more subtle ways — smoother movement, reduced effort, improved consistency, or greater confidence in how the body responds.
These changes reflect improvements in how the nervous system is functioning, rather than just the physical output.
In this context, exercise becomes less about pushing the body, and more about supporting it to work as efficiently and effectively as possible.
 Building Awareness Through Understanding
World Multiple Sclerosis Awareness Day is an opportunity to build a deeper understanding of what it means to live with this condition.
Beyond the visible symptoms, MS is rooted in the complex interaction between the immune system and the nervous system. Recognising this helps shift the focus from what the body can’t do, to how it can be supported.
Because when we understand what is happening beneath the surface, we are better equipped to support meaningful, sustainable change.
Ready to Learn More or Book an Appointment?
We would love to support you or your loved one in moving well, feeling confident, and living life fully.
Contact Us Here to learn more about our Exercise Physiology services on the Gold Coast, Ipswich, and surrounding areas.
Or follow along as we share more insights, stories, and resources right here on the Combined Wellness Solutions blog.