Research Summary
Analyzed using Evidence Intelligence™

Exercise Reduces Glucose Levels in Type 2 Diabetes

Last updated August 24, 2026

Key finding

Increases in 0 V pattern (COMB, 67.0±7.1 vs. 76.0±6.3, P = 0.003)

This study investigated the effects of aerobic and combined exercise on glucose levels in patients with type 2 diabetes, finding significant reductions in glucose levels after exercise sessions.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Short-Term (≤3 mo)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

This study investigated the effects of aerobic and combined exercise on glucose levels in patients with type 2 diabetes, finding significant reductions in glucose levels after exercise sessions.

Clinical relevance

These findings highlight the importance of exercise as a non-pharmacological intervention for managing glucose levels in individuals with type 2 diabetes. By incorporating aerobic and resistance exercises into their routines, patients may achieve better glycemic control, potentially reducing the risk of diabetes-related complications.

Keep in mind

Effectiveness of interventions remains unclear due to lack of detailed evidence. Study may have limited generalizability to broader populations. Sample size and demographic details were not specified.

Published in

Journal Reference

Publication details and source links for this paper.

Franciele RF, Daniel U, Karina RC, et al. Effects of Aerobic and Combined Exercise on Glucose Levels in Patients with Type 2 Diabetes. PLoS ONE. 2013;8(3):e57733. doi:10.1371/journal.pone.0057733

Main Effects

Glucose levels decreased by approximately 16% after both aerobic and combined exercise sessions.

The combined exercise group showed a significant increase in the 0 V pattern (P = 0.003).

The combined exercise group exhibited a significant decrease in the 1 V pattern (P = 0.004).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Aerobic exercise and 0V glucose symbolic pattern, 1V glucose symbolic pattern, Blood glucose, and 2 more.

Primary intervention

Aerobic exercise

Primary outcomes

  • 0V glucose symbolic pattern
  • 1V glucose symbolic pattern
  • Blood glucose

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

5
Evidence pairs
5
Relationships
2
Evidence topics
contributes_evidence

Editorial context

Why this study matters

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Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 64

2

Related topics

5

Evidence pairs

371

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 evidence relationships
  • Includes primary outcome data
  • Linked to 2 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Primary evidence

Evidence relationship

Aerobic Exercise and Fasting Glucose

Related evidence

Evidence relationship

Aerobic Exercise and Glucose Variability

Save evidence

Evidence topic

Glycemic Control

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

0V glucose symbolic pattern

Aerobic exercise → 0V glucose symbolic pattern

Aerobic exercise → 0V glucose symbolic pattern

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

1V glucose symbolic pattern

Aerobic exercise → 1V glucose symbolic pattern

Aerobic exercise → 1V glucose symbolic pattern

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Blood glucose

Aerobic exercise → Blood glucose

Aerobic exercise → Blood glucose

Evidence Intelligence™
EvidenceScore™
77
Strong
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 3 studies
Add to Evidence Tracker

Coefficient of variation

Aerobic exercise → Coefficient of variation

Aerobic exercise → Coefficient of variation

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Glucose variability

Aerobic exercise → Glucose variability

Aerobic exercise → Glucose variability

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • Glucose levels decreased by about 16% after exercise sessions.
  • Combined exercise improved specific glucose patterns significantly.
  • Responses for glucose variance were similar across both exercise types.
who this applies

Who this applies to

  • Adults diagnosed with type 2 diabetes.
  • Individuals seeking non-pharmacological methods to manage glucose levels.
keep in mind

Keep in Mind

  • Results may not apply to all individuals with type 2 diabetes.
  • Further research is needed to confirm long-term effects.
  • The study did not provide detailed baseline characteristics of participants.
between the lines

Between the Lines

  • Effectiveness of interventions remains unclear due to lack of detailed evidence.
  • Study may have limited generalizability to broader populations.
  • Sample size and demographic details were not specified.

Evidence Library

Build your evidence library

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Aerobic Exercise and Fasting Glucose, Aerobic Exercise and 0V glucose symbolic pattern.

Related evidence relationships

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Aerobic Exercise improve fasting glucose?

Strong Evidence

Aerobic Exercise appears to improve Fasting Glucose.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Blood glucose

    EvidenceScore™ Strong | EvidenceScore™ 77.4 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 7 supporting studies with consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
7 supporting studiesUpdated: Aug 2026

Does Aerobic Exercise improve glucose variability?

Emerging Evidence

Aerobic Exercise appears to improve Glucose Variability.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Coefficient of variation

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

  2. 2

    Glucose variability

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Aerobic exercise improve 0v glucose symbolic pattern?

Emerging Evidence

Aerobic exercise appears to improve 0V glucose symbolic pattern.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    0V glucose symbolic pattern

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Aerobic exercise improve 1v glucose symbolic pattern?

Emerging Evidence

Current evidence does not show a clear benefit of Aerobic exercise for 1V glucose symbolic pattern.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    1V glucose symbolic pattern

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026
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