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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

DALMAZZO, Verenna et al. Effects of interval exercise in the improvement of glycemic control of obese adults with insulin resistance. Nutr. Hosp. [online]. 2019, vol.36, n.3, pp.578-582.  Epub 10-Feb-2020. ISSN 1699-5198.  http://dx.doi.org/10.20960/nh.2075.

Background:

physical exercise presents evidence for the treatment of insulin resistance. However, it is necessary to deepen this knowledge.

Objective:

to compare the effectiveness of a high intensity interval training program (HIIT) with one of resistance training (RT) to improve biochemical parameters of insulin/basal glycemia and post-load.

Material and methods:

twenty-eight (36 ± 13 years old) non-medicated insulin-resistant individuals (age 36 ± 13 years) were studied. Two groups were randomly formed: RT group (n = 14) and HIIT group (n = 14). Each group participated in 12 weeks of intervention (three sessions/week). Both groups were homogeneous (p > 0.05) in terms of age, weight, height and BMI. Basal glycemia/insulinemia and post-load were evaluated, pre and post intervention.

Results:

after the intervention there were significant decreases in both groups in: fat (%) HIIT (Pre = 40.20 ± 7.31 vs Post = 36.49 ± 7.28%, p = 0.006), RT (Pre: 39.04 ± 8.52 vs Post: 34.91 ± 8.80%, p = 0.002); fasting insulin, HIIT (Pre: 20.64 ± 9.44 vs. Post: 15.20 ± 6.47uIU/ml, p = 0.0006), RT (Pre: 18.50 ± 8.24, vs Post: 13.59 ± 6.11 uIU/ml, p = 0.015); insulin post load, HIIT (Pre: 127.57 ± 71.73 vs Post: 69.25 ± 39.42 uIU/ml, p < 0.0001), RT (Pre: 125.78 ± 59.85 vs Post: 63.45 ± 36.44uIU/ml, p < 0.0001); and fasting glycemia, HIIT (Pre: 92.86 ± 11.39 vs Post: 87.36 ± 8.00, p = 0.031), RT (Pre: 90.79 ± 11.26 vs Post: 85.26 ± 7.88 mg/dl, p = 0.045). In relation to post-load glycemia only the HIIT group decreased significantly (Pre: 128.57 ± 26.90 vs Post: 103.47 ± 12.70 mg/dl, p < 0.001), reporting differences with the RT group (p < 0.042).

Conclusion:

both programs showed similar results for the treatment of insulin resistance.

Palabras clave : Exercise; Insulin resistance; Obesity; Glycemia.

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