Managing blood sugar is one of the central challenges of living with diabetes. Medication and diet rightly get a lot of attention, but exercise is one of the most powerful tools available. Not as an afterthought, but as a genuine first-line strategy.
Here’s what the evidence says, and what it means in practice.
Why movement matters for blood sugar
When you exercise, your muscles use glucose for energy. This happens independently of insulin, which means physical activity can lower blood sugar levels even in people whose insulin response is impaired. Over time, regular exercise also improves insulin sensitivity, meaning the body gets better at using the insulin it does produce.
For people with Type 2 diabetes in particular, this can have a real impact on HbA1c levels, which is the measure used to track blood sugar control over time. Studies consistently show that regular physical activity, even moderate amounts, can reduce HbA1c meaningfully. Sometimes comparably to medication.
What type of exercise helps most
Both aerobic exercise and resistance training benefit blood sugar management, and combining the two appears more effective than either on its own.
Aerobic exercise, think walking, cycling or swimming, improves cardiovascular health and helps muscles use glucose more efficiently. Resistance training builds muscle mass, which increases the body’s overall capacity to store and use glucose.
You don’t need to be doing intense workouts to see results. Consistent, moderate activity spread across the week is what makes the difference. Even breaking up long periods of sitting with short walks has been shown to help.
Getting the balance right
For people living with diabetes, exercise isn’t always straightforward. Blood sugar can drop during or after activity, particularly for those on insulin or certain medications. Starting too hard, too fast can create more problems than it solves.
This is where working with an exercise physiologist or physiotherapist makes a real difference. A structured program takes into account current fitness, medication, and goals, and builds from there in a way that’s safe and sustainable.
What this looks like at home
At LeapCare we can deliver exercise programs in the client’s home. For people managing diabetes this has real advantages. No commute, no gym to navigate, and a program built around the actual space and equipment available to that person.
We work closely with GPs and other allied health providers to make sure exercise sits alongside the rest of a client’s care plan. If you have a client who could benefit from a more structured approach to movement as part of their diabetes management, get in touch. We’re happy to talk it through.

