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Why Does Glucose Rise With Exercise? Did You Know?Exercise and blood sugar response -
Ketoacidosis can happen to anyone with diabetes, but it is much more common with type 1 diabetes. Instead of exercising right away if you have ketones, take steps to lower high blood sugar. Then wait to exercise until your ketone test shows an absence of ketones in your urine.
During exercise, low blood sugar is sometimes a concern. It's mainly a risk for people with diabetes who take insulin or other medicines linked to low blood sugar levels.
If you're planning a long workout, check your blood sugar every 30 minutes. This is key if you're trying a new activity or increasing the intensity or length of your workout. Checking every half-hour tells you if your blood sugar level is stable, rising or falling.
That way, you can get a sense of whether it's safe to keep exercising. Checking every 30 minutes may be a challenge if you're doing outdoor activities or playing sports. But you need to take this safety measure until you know how your blood sugar responds to changes in your exercise habits.
Eat or drink something with about 15 grams of fast-acting carbohydrate to raise your blood sugar level, such as:. Check your blood sugar again 15 minutes later. If it's still too low, have another gram carbohydrate serving.
Then test again in 15 minutes. If you haven't finished your workout, you can continue once your blood sugar returns to a safe level. You may need to have more snacks or a meal to raise it to that safe range.
Check your blood sugar as soon as you finish exercising. Check it again throughout the next few hours. Exercise draws on reserve sugar stored in your muscles and liver.
As your body rebuilds these stores, it takes sugar from your blood. The tougher your workout, the longer it will affect your blood sugar. Low blood sugar can happen even 4 to 8 hours after exercise.
Having a snack with slower-acting carbohydrates after your workout can help prevent a drop in your blood sugar. These types of snacks include a granola bar, trail mix and dried fruit. If you do have low blood sugar after exercise, eat a small snack that has carbohydrates.
For example, you could have fruit, crackers or glucose tablets. Exercise is great for your health in many ways. But if you have diabetes, testing your blood sugar before, after and sometimes during exercise may be just as important. There is a problem with information submitted for this request.
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Request Appointment. Diabetes and exercise: When to monitor your blood sugar. Products and services. Diabetes and exercise: When to monitor your blood sugar Exercise is a key part of any diabetes treatment plan. By Mayo Clinic Staff. Thank you for subscribing!
Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry. Show references American Diabetes Association.
Facilitating positive health behaviors and well-being to improve health outcomes: Standards of Medical Care in Diabetes — Diabetes Care. Riddell MC. Exercise guidance in adults with diabetes mellitus.
Accessed Aug. Diabetes diet, eating and physical activity. National Institute of Diabetes and Digestive and Kidney Diseases. Physical Activity Guidelines for Americans. Department of Health and Human Services. Hypoglycemia Low blood glucose.
American Diabetes Association. It is more likely to occur if you:. If hypoglycemia interferes with your exercise routine, talk to your health care provider about the best treatment plan for you. Your provider may suggest eating a small snack before you exercise or they may make an adjustment to your medication s.
For people engaging in long duration exercise, a combination of these two regimen changes may be necessary to prevent hypoglycemia during and after exercise.
Breadcrumb Home You Can Manage and Thrive with Diabetes Fitness Blood Glucose and Exercise. There are a few ways that exercise lowers blood glucose also known as blood sugar : Insulin sensitivity is increased, so your muscle cells are better able to use any available insulin to take up glucose during and after activity.
When your muscles contract during activity, your cells are able to take up glucose and use it for energy whether insulin is available or not. Understanding Your Blood Glucose and Exercise The effect physical activity has on your blood glucose will vary depending on how long you are active and many other factors.
Hypoglycemia and Physical Activity People taking insulin or insulin secretagogues oral diabetes pills that cause your pancreas to make more insulin are at risk for hypoglycemia if insulin dose or carbohydrate intake is not adjusted with exercise. And more recently, in , experts released an international position statement on glucose management for exercise using continuous glucose monitoring CGM in type 1 diabetes.
And overall, the information can be overwhelming and hard to follow. Colberg , PhD, professor emerita of exercise science at Old Dominion University in Norfolk, Virginia, and creator of Diabetesmotion. So, when someone does intense but short activities, BG often rises due to releasing too many hormones.
Ginger Vieira, advocate, author of several instructional diabetes books , and current digital content manager at Beyond Type 1, called on her experience as a former health coach and competitive powerlifter and Ashtanga yoga instructor to describe the effect of some of the most common mechanisms for glucose spikes during intense exercise: lactic acid, adrenaline, and fasted exercise.
Lactic acid. This can easily spike your blood sugar over points. Fasted exercise. Exercising on an empty stomach can lead to a glucose spike, especially right after waking up.
Clearly, many mechanisms can cause a spike in glucose levels during exercise. No wonder, it can be so difficult to know what to do to bring glucose levels back down.
Christel Oerum, certified personal trainer and founder of Diabetes Strong and Diabetic Foodie , offered an alternative way to look at this question.
So, when you do certain types of workouts, predominantly anaerobic exercises , your body tries to ensure that you have the energy to be successful. It does this by releasing hormones that allow energy, in the form of glucose, to be released into your bloodstream.
And that can raise blood sugars. This response is not unique to people with diabetes. Oerum suggests combining anaerobic with aerobic exercises.
This approach will balance the effects and typically make BG levels come down soon after the exercise session is done. Of course, if your exercise objective is to bring your BG levels down immediately, then aerobic exercise like walking, swimming, or skipping rope is going to be the effective choice.
Ultimately, it is the presence of insulin that determines when and how quickly BG levels come down. So, try to assess the situation in terms of your insulin intake, or insulin on board IOB.
BG spikes caused by bursts of adrenaline can be hard to anticipate, as they happen most often smack in the middle of a an exercise session.
Daily life activities, like shopping, cleaning, eugar, walking and sexual Energy levels, as well as Exercise and blood sugar response sports activities, such as bloodd, jogging and tennis, will increase insulin sensitivity and lower insulin requirements. These Exercise and blood sugar response may blooe reducing the dose of insulin releasing pills or insulin if you are treated with these types of diabetes medications, and may require consumption of extra carbohydrate to keep the blood glucose stable. There are also activities and exercise that may increase the blood sugar. This is because the activity may release glucose counter-regulatory hormonessuch as epinephrine adrenaline that opposes the action of insulin and raises the blood sugar. A classic example of this is bench-pressing free weights. Please read the Disclaimer at the end Sigar this page. Diabetes Exrrcise is Exercise and blood sugar response chronic Magnesium for bone health, but people with diabetes can lead a full life while keeping their diabetes under control. Lifestyle modifications changes in day-to-day habits are an essential component of any diabetes management plan. Lifestyle modifications can be a very effective way to keep diabetes in control. Improved blood sugar control can slow the risk of long-term complications.
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