Effect of Exercise-Induced Lipolysis on Serum Vitamin D Level in Obese Children: A Clinical Controlled Trial


  • Lamiaa K. Elsayyad Department of Physical Therapy, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
  • Alaa Shafie Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia https://orcid.org/0000-0002-7116-3611
  • Mazen Almehmadi Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia https://orcid.org/0000-0002-7580-8667
  • Amal F. Gharib Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
  • Ahmad El Askary Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
  • Tarek Alsayad Department of Pediatrics, Faculty of Medicine, Al-Azhar University, Cairo, Egypt https://orcid.org/0000-0002-9655-6067
  • Alsufiany Muhsen Department of Physical Therapy, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
  • Hatem Allam Department of Physical Therapy, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia




Obesity, Endurance, Resistance exercise, Lipolysis, Vitamin D


BACKGROUND: Low Vitamin D levels associated with obesity have reached an epidemic level all over the world. It has been supposed that the low serum level of Vitamin D3 in obese subjects may be due to an increase in the uptake of Vitamin D3 by adipose tissue.

AIM: The current study aimed to investigate the effect of a specially designed exercise program for boosting lipolysis on the Vitamin D level in obese children.

METHODS: Thirty obese male children participated in the study. Their age was ranged from 9 to 11 years. The participants were assigned to two groups, Group I (GI) who received endurance exercise (ENE) only and Group II (GII) who received the specially designed exercise for increasing lipolysis (ENE preceded by resistance exercise). Free fatty acids (FFA), glycerol, and 25(OH)D were assessed before and immediately after exercise.

RESULTS: FFA and glycerol showed a significant increase in both groups following exercise, while 25(OH)D showed a significant increase only in GII. GII showed significantly higher levels of FFA, glycerol, and 25(OH)D following exercise when it was compared to GI.

CONCLUSION: The application of resistance training before ENE could improve the Vitamin D status through increasing the lipolytic activities more than the application of endurance exercise alone.


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How to Cite

Elsayyad LK, Shafie A, Almehmadi M, Gharib AF, El Askary A, Alsayad T, Muhsen A, Allam H. Effect of Exercise-Induced Lipolysis on Serum Vitamin D Level in Obese Children: A Clinical Controlled Trial. Open Access Maced J Med Sci [Internet]. 2021 Nov. 30 [cited 2024 Jul. 21];9(B):1596-601. Available from: https://oamjms.eu/index.php/mjms/article/view/7707

Funding data

  • Taif University
    Grant numbers Deanship of Scientific Research, Taif University, for through the research group project number 1-441-95

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