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Med Sci Sports Exerc. 2012 Jun;44(6):1028-34. doi: 10.1249/MSS.0b013e31824526cc.

Effect of exercise training modality on C-reactive protein in type 2 diabetes.

Author information

1
Department of Preventive Medicine, Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA. Damon.Swift@pbrc.edu

Abstract

PURPOSE:

Type 2 diabetes is associated with increased risk of cardiovascular disease and elevated C-reactive protein (CRP) levels. Aerobic exercise training has been shown to improve CRP; however, there are limited data evaluating the effect of other exercise training modalities (aerobic, resistance, or combination training) in individuals with type 2 diabetes.

METHODS:

Participants (n = 204) were randomized to an aerobic exercise (aerobic), resistance exercise (resistance), or a combination of both (combination) for 9 months. CRP was evaluated at baseline and at follow-up.

RESULTS:

Baseline CRP was correlated with fat mass, waist circumference, body mass index, and VO(2peak) ̇(P < 0.05). CRP was not reduced after aerobic (0.16 mg·L(-1), 95% confidence interval (CI) = -1.0 to 1.3 mg·L(-1)), resistance (-0.03 mg·L(-1), 95% CI = -1.1 to 1.0 mg·L(-1)), or combination (-0.49 mg·L(-1), 95% CI = -1.5 to 0.6 mg·L(-1)) training compared to control (0.35 mg·L(-1), 95% CI = -1.0 to 1.7 mg·L(-1)). Changes in fasting glucose (r = 0.20, P = 0.009), glycated hemoglobin (HbA1c) (r = 0.21, P = 0.005), and fat mass (r = 0.19, P = 0.016) were associated with reductions in CRP but not with change in fitness or weight (P > 0.05). There were significant trends observed for CRP among tertiles of change in HbA1c (P = 0.009) and body fat (P = 0.040).

CONCLUSIONS:

Aerobic, resistance, or a combination of both did not reduce CRP levels in individuals with type 2 diabetes. However, exercise-related improvements in HbA1c, fasting glucose, and fat mass were associated with reductions in CRP.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00458133.

PMID:
22157880
PMCID:
PMC3345306
DOI:
10.1249/MSS.0b013e31824526cc
[Indexed for MEDLINE]
Free PMC Article

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