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Aerobic exercise 45 minutes after breakfast may be even more effective in lowering blood sugar throughout the day!
Exercise is an important part of the "Troika" of type 2 diabetes management.
Regarding the duration of exercise, domestic and foreign guidelines recommend ≥ 150 minutes of moderate aerobic exercise per week, which is converted to about 30 minutes per day, but there is no consensus on "when exercise is better to lower blood sugar".
On September 25, 2024, a new study published in The Journal of Sports Medicine and Physical Fitness found that for people with type 2 diabetes, 30 minutes of moderate-intensity aerobic exercise 45 minutes after breakfast was more effective at lowering blood sugar levels and reducing blood sugar fluctuations throughout the day than 90 minutes after breakfast.
Exercise 45 minutes after a meal for a better hypoglycemic effect!
In this study, 22 people with type 2 diabetes who were taking oral hypoglycemic drugs were randomly assigned to 30 minutes of moderate-intensity aerobic exercise (indoor stationary cycling) 45 minutes after breakfast and 90 minutes after breakfast. For better analysis, the two groups subsequently exchanged exercise times. The researchers assessed changes in participants' blood glucose levels, among other things, through continuous glucose monitoring (CGM).
The results of the study showed that the 45-minute exercise group after breakfast had a decrease in blood glucose levels after breakfast, blood glucose levels throughout the day, and the area under the blood glucose curve after breakfast, compared to the 90-minute exercise group after breakfast.
The 45-minute exercise group after breakfast spent more time in the target blood sugar range and less time outside the target range. In addition, there were differences between the two groups in the standard deviation of blood glucose, the mean amplitude of blood glucose fluctuations, the maximum amplitude of blood glucose fluctuations, blood glucose fluctuations after breakfast, the duration of hyperglycemia, and the peak blood glucose after meals.
This article is summarized
In conclusion, moderate-intensity aerobic exercise 45 minutes after breakfast is more effective in lowering blood sugar levels and reducing blood sugar fluctuations in people with type 2 diabetes than exercising 90 minutes after meals. This study provides a specific exercise recommendation for people with type 2 diabetes to help better control blood sugar levels.
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QI,Y.-Y.,ZHENG,X., BI,L.-N.,HU, S.,LI,C.,ZHANG,Y., SHI,W.-L.,YUE,Y.-J.,& LI, Q. (2024). Effects of postprandial exercise timing on blood glucose and fluctuations in patients with type 2 diabetes mellitus. In The Journal of Sports Medicine and Physical Fitness. Edizioni MinervaMedica.https://doi.org/10.23736/s0022-4707.24.16076-8
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