If you or someone you love has recently been diagnosed with Parkinson’s disease, you have probably already been handed a leaflet, pointed towards a website, and told — almost in passing — that “exercise is good for you.”
It is advice so general that it is easy to dismiss. But in Parkinson’s, it is one of the most important sentences anyone will say to you.
Physical activity is not simply a way of staying fit alongside your medication. A growing body of research suggests that the right kind of movement, performed regularly and at the right intensity, influences how symptoms progress, how independently you live, and how confident you feel on your feet. The difficulty is that “exercise” is not one thing, and not all of it is equally useful for a Parkinson’s brain.
This article looks at what Parkinson’s actually is, why movement matters so much, and which types of activity the evidence genuinely supports.
What Parkinson’s disease actually is
Parkinson’s is a progressive neurological condition affecting around 150,000 people in the UK. It develops when nerve cells in a small region of the brain called the substantia nigra gradually stop producing enough dopamine — a chemical messenger that helps the brain plan, initiate and refine movement.
Without adequate dopamine, the brain’s movement signals become quieter and less precise. That produces the three features clinicians look for:
- Bradykinesia — slowness and reduced size of movement. Handwriting shrinks, steps shorten, arms swing less, facial expression becomes flatter.
- Rigidity — stiffness in the limbs and trunk that can feel like resistance or aching, and often affects one side more than the other.
- Tremor — classically a rhythmic shaking that appears at rest and settles when the limb is used purposefully. Notably, around a quarter of people with Parkinson’s never develop a noticeable tremor at all.
Later on, some people also experience postural instability — reduced balance reactions that increase the risk of falls.
Parkinson’s is not a single, uniform illness. Two people diagnosed on the same day may follow very different paths, which is precisely why generic advice is so unsatisfying and individualised assessment is so valuable.
The symptoms nobody warns you about
Motor symptoms are what lead most people to their GP, but they are only part of the picture. Non-motor symptoms are extremely common, frequently under-treated, and often appear years before any tremor or stiffness.
These can include constipation, a reduced or absent sense of smell, acting out dreams during sleep, daytime fatigue, low mood and anxiety, bladder urgency, light-headedness on standing, pain, and changes in concentration or memory.
Many people find these harder to live with than the movement symptoms themselves. They are also frequently missed, partly because patients assume they are unrelated and do not mention them. If any of the above sound familiar, they are worth raising with your GP or Parkinson’s nurse specialist — several are treatable.
Why movement is treated as a form of medicine
Medication replaces or mimics dopamine, and for most people it works well, particularly in the early years. What it does not do is train the brain and body to move differently.
Exercise appears to work through a different mechanism. Research in both animal models and humans suggests that vigorous physical activity supports neuroplasticity — the brain’s ability to strengthen existing pathways and recruit alternative ones. Exercise increases the release of growth factors that help nerve cells survive and communicate, improves the efficiency of the remaining dopamine circuitry, and drives cardiovascular and muscular adaptations that make everyday movement less effortful.
Several well-designed trials have tested whether this translates into meaningful clinical benefit. Studies of high-intensity aerobic exercise in people with early Parkinson’s have found that participants exercising vigorously showed less deterioration in motor scores over the study period than those who did not — an unusual finding in a progressive condition, where symptoms would ordinarily be expected to worsen. Large observational studies have similarly linked around two and a half hours of exercise a week with a slower decline in quality of life and mobility.
The honest summary is this: the evidence that exercise improves symptoms, balance, walking and quality of life is strong. The evidence that it slows the underlying disease process is promising and increasingly persuasive, but not yet definitive. Either way, the practical conclusion is the same — moving well, and moving often, is worth your time.
The four types of exercise that matter most
Not all activity delivers the same benefit. A well-constructed Parkinson’s programme usually blends four elements.
1. Aerobic exercise — the intensity one
This is the component most closely linked to potential disease-modifying effects, and it is the one most often pitched too gently. Brisk walking, cycling (including static bikes), swimming, rowing and cross-training all count. The research signal appears strongest at moderate-to-vigorous intensity — breathing hard, conversation becoming difficult, working genuinely rather than comfortably.
2. Resistance training — the strength one
Parkinson’s is associated with reduced muscle power, particularly around the hips and thighs, and power is what gets you out of a low chair or lets you take a rapid corrective step. Two sessions a week of progressive strength work — squats, sit-to-stands, step-ups, resistance bands or weights — directly addresses this.
3. Balance and agility — the confidence one
Falls are common in Parkinson’s, and fear of falling causes people to shrink their world long before their symptoms require it. Balance training needs to be genuinely challenging to be effective: turning, changing direction, stepping over obstacles, reaching outside your base of support, and practising in real-world conditions. Tai chi and boxing-based non-contact classes have both shown good results, largely because they demand exactly this kind of dynamic control.
4. Amplitude and cueing work — the Parkinson’s-specific one
This is where Parkinson’s differs from every other condition. Because the brain systematically under-scales movement, people with Parkinson’s genuinely believe they are taking normal-sized steps when they are not. Amplitude-based training deliberately exaggerates movement — big steps, big arm swings, big reaches — to recalibrate that internal sense of effort. Cueing uses external prompts (a metronome, a counted rhythm, a line on the floor, a laser-tipped walking stick) to bypass the faulty internal timing system, and is particularly effective for freezing of gait, where the feet feel glued to the floor.
Five myths worth retiring
“I should wait until my symptoms get worse before starting.” The opposite is true. The strongest evidence for exercise comes from people in the earlier stages. Starting sooner appears to matter.
“Gentle movement is safer for my condition.” Gentle exercise is better than none, but under-dosing is the most common problem we see. Intensity is not the enemy — unsupervised, poorly matched intensity is. Appropriate supervision solves that.
“My medication is doing the job, so exercise is optional.” Medication and exercise address different problems. Levodopa cannot teach you to turn safely or recover from a stumble.
“Tremor means Parkinson’s, and no tremor means it isn’t.” Neither is reliable. Most tremor in the general population is not Parkinson’s, and a substantial proportion of people with Parkinson’s never develop a prominent one.
“Nothing can be done about freezing.” Freezing responds poorly to medication but often responds remarkably well to trained cueing strategies. It is one of the most rewarding symptoms to work on.
Where physiotherapy fits in
NICE guidance recommends that people with Parkinson’s who have problems with balance or motor function be considered for Parkinson’s-specific physiotherapy. In practice, that means far more than a sheet of generic exercises.
A specialist assessment should look at how you actually walk and turn, how your balance responds when it is challenged, where your strength and power sit, what triggers any freezing episodes, how your symptoms fluctuate across your medication cycle, and what you personally want to keep doing — whether that is gardening, golf, dancing at your daughter’s wedding, or getting up from the floor to play with a grandchild.
From there, the programme is built around you, progressed as you adapt, and adjusted as things change. That last part matters: Parkinson’s is not static, and neither should your programme be.
Take the first step
If you are living with Parkinson’s — newly diagnosed or years into your journey — and you are not sure where to begin, we would like to help.
Simpson Physiotherapy offers a free, no-obligation discovery visit. It is a relaxed conversation with one of our physiotherapists: you tell us what is bothering you and what you want to get back to, we tell you honestly whether physiotherapy can help and what that would involve. There is no pressure, no commitment, and no cost.
Get in touch today to book your free discovery visit — and let’s find out what movement can do for you.
