What are the benefits of continuous glucose monitoring (CGM) for people with diabetes, particularly in relation to physical activity, and what are the guidelines for its use?
Continuous Glucose Monitoring, a review (International Journal of Environmental Research and Public Health 2022, PMID 36231598) — the review notes that CGM use offers benefits such as increased time in range (TIR), optimized therapy, and improved documentation for diabetes management. No numeric effect size is reported for Continuous Glucose Monitoring in the source abstract.
Source: International Journal of Environmental Research and Public Health 2022, PMID 36231598 ↗ · Research map · How Magellan grades evidence · evidence confidence: low
International Journal of Environmental Research and Public Health · 2022 · PMID 36231598 · DOI 10.3390/ijerph191912296
Continuous glucose monitoring helps people with diabetes manage blood sugar during physical activity and prevents low blood sugar events.
The question
What are the benefits of continuous glucose monitoring (CGM) for people with diabetes, particularly in relation to physical activity, and what are the guidelines for its use?
What they tested
The authors hypothesize that CGM use can enhance the benefits of physical activity for people with type 2 diabetes and help prevent adverse events like hypoglycemia.
How they did it
This is a narrative review that synthesizes existing information to provide recommendations and an overview of guidelines regarding CGM use and physical activity for people with diabetes.
What they found
The review notes that CGM use offers benefits such as increased time in range (TIR), optimized therapy, and improved documentation for diabetes management. For people with type 2 diabetes, physical activity improves glycemic control, glycemic variability, and reduces insulin resistance. The benefits of CGM are further increased when combined with physical activity, as CGM can help prevent adverse events like hypoglycemic events and nocturnal hypoglycemia after exercise.
What it means
CGM is a helpful tool for people with diabetes engaging in physical activity, as it can enhance the benefits of exercise and prevent adverse glycemic events.
Limitations
This is a narrative review, which synthesizes existing literature rather than presenting new experimental data. Specific quantitative data or direct comparisons are not provided.
The paper at a glance
| Title | Continuous Glucose Monitoring and Physical Activity |
|---|---|
| Journal | International Journal of Environmental Research and Public Health |
| Year | 2022 |
| PMID | 36231598 ↗ |
| DOI | 10.3390/ijerph191912296 ↗ |
| Topic | Metabolic health, glucose & body composition |
Read the source: PubMed record (authors, abstract, full citation) ↗ · Publisher via doi.org ↗
Where Magellan uses this paper
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Continuous Glucose Monitoring (CGM)
In randomized trials and meta-analyses, continuous and flash glucose monitoring modestly lowers HbA1c (about 0.2–0.3 percentage points on average) and, more strikingly, cuts time spent in hypoglycemia—by 38% in type 1 diabetes and by roughly half in insulin-treated type 2 diabetes—compared with fingerstick testing;
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Research describes the compound or intervention studied. It is not a claim about any specific product.
Molecules & mechanisms in this paper
Each of these is named in the paper’s own words above. Open the monograph for the full mechanism and its other citations.
Cite this page
These citations point at this summary. To cite the original paper with its full author list, use the PubMed record or doi.org.
Magellan Longevity. (2026). What are the benefits of continuous glucose monitoring (CGM) for people with diabetes, particularly in relation to physical activity, and what are the guidelines for its use? [Plain-English summary of International Journal of Environmental Research and Public Health 2022, PMID 36231598, DOI 10.3390/ijerph191912296]. Magellan Longevity. https://magellanlongevity.com/study/cgm.html@misc{magellan_cgm,
title = {What are the benefits of continuous glucose monitoring (CGM) for people with diabetes, particularly in relation to physical activity, and what are the guidelines for its use?},
author = {{Magellan Longevity}},
year = {2026},
howpublished = {\url{https://magellanlongevity.com/study/cgm.html}},
note = {Plain-English summary of PubMed PMID 36231598; DOI 10.3390/ijerph191912296; International Journal of Environmental Research and Public Health 2022. Reviewed by Gabriel Radu, DO},
urldate = {2026-08-11}
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