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. 2019 Jan-Feb;23(1):72-75.
doi: 10.4103/ijem.IJEM_267_18.

The Effect of a High-intensity Interval Training on Plasma Vitamin D Level in Obese Male Adolescents

Rouhollah Haghshenas  1 , Zahra Jamshidi  1 , Saeid Doaei  2   3 , Maryam Gholamalizadeh  3
Affiliations

The Effect of a High-intensity Interval Training on Plasma Vitamin D Level in Obese Male Adolescents

Rouhollah Haghshenas et al. Indian J Endocrinol Metab. 2019 Jan-Feb.

Abstract

Background: The worldwide increasing vitamin D deficiency in adolescents is alarming. The effect of high-intensity trainings on adolescent health is not clear.

Object: This study aimed to examine the effect of a high-intensity interval training (HIIT) on plasma level of vitamin D in overweight male adolescents.

Materials and methods: About 96 overweight students aged 12-16 years from two high schools participated in the study. The schools were randomly assigned to the intervention group (n = 52) and the control group (n = 44). For the intervention group, HIIT was performed 3 days per week for 8 weeks, while the control group was asked to walk outdoors at the same time.

Results: At the end of the study, the vitamin D level was increased to 1.21 ng/dl in the intervention group, whereas it decreased to 1.94 ng/dl in the control group (P = 0.003).

Conclusion: About 8 weeks of HIIT improved plasma level of vitamin D in overweight male adolescents. More prolonged interventions consisted of both the sex and broader age ranges are warranted.

Keywords: High-intensity interval training; male adolescent; vitamin D.

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Conflict of interest statement

There are no conflicts of interest.

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