Serum levels of Insulin-like growth factor-1 (IGF-I) as an indicator associated with aerobic and anaerobic fitness assessment in adolescent boys

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AMIRSASAN RAMIN; ARMANFAR MOSTAFA; HESARI JAVAD

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Journal: MEDICAL JOURNAL OF TABRIZ UNIVERSITY OF MEDICAL SCIENCES Year:2019 | Volume:41 | Issue:4 Page(s): 7-16

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Title

Serum levels of Insulin-like growth factor-1 (IGF-I) as an indicator associated with aerobic and anaerobic fitness assessment in adolescent boys

Author(s)

AMIRSASAN RAMIN | ARMANFAR MOSTAFA | HESARI JAVAD | Issue Writer Certificate

Keywords

Aerobic FitnessQ2

Anaerobic FitnessQ1

Insulin-Like Growth Factor-1Q1

Body Fat PercentageQ2

Adolescent BoysQ1

Abstract

Background: Insulin-Like Growth Factor-1 (IGF-I) has a variety of roles, But the abundance of scientific evidence indicates that it is a metabolic biomarker associated with indicators of physical fitness and health. The present study examined the relationship between serum levels of IGF-I and Aerobic Fitness, anaerobic capacity and body fat percent, systolic, and diastolic blood pressure before and after the eight weeks of high intensity intermittent training (HIIT) in Adolescent Boys. Methods: In this experimental study, 22 Adolescent Boys in a randomly and double-blinded design were allocated in two equal groups: HIIT group (N=11) and control group (N=11). Training programs were conducted 3-4 times per week for 8 weeks. The HIIT program consisted of 6-8 running sprints (30-60 seconds) with a 3. 5-4 min recovery. Mentioned indicators assessments were performed 18-24 hours pre and post intervention. Results: IGF-1, Maximum Oxygen uptake (VO2max(, Peak Power Output (PPO) and mean power output (MPO) were significantly higher after 8 week HIIT than the pre-exercise training evaluations (P<0. 001). Fatigue index and body fat percent decreased in HIIT trial after 8 week HIIT (P<0. 001). Also, there was a significant positive correlation between IGF-I changes and Aerobic Fitness, anaerobic and Body Fat Percentage. However, Systolic and diastolic blood pressure did not change significantly after the training period (P > 0. 05). Conclusion: The IGF-I can be used as an indicator to assess the fitness of Adolescent Boys.

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APA: Copy

AMIRSASAN, RAMIN, ARMANFAR, MOSTAFA, & HESARI, JAVAD. (2019). Serum levels of Insulin-like growth factor-1 (IGF-I) as an indicator associated with aerobic and anaerobic fitness assessment in adolescent boys. MEDICAL JOURNAL OF TABRIZ UNIVERSITY OF MEDICAL SCIENCES, 41(4 ), 7-16. SID. https://sid.ir/paper/369008/en

Vancouver: Copy

AMIRSASAN RAMIN, ARMANFAR MOSTAFA, HESARI JAVAD. Serum levels of Insulin-like growth factor-1 (IGF-I) as an indicator associated with aerobic and anaerobic fitness assessment in adolescent boys. MEDICAL JOURNAL OF TABRIZ UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2019;41(4 ):7-16. Available from: https://sid.ir/paper/369008/en

IEEE: Copy

RAMIN AMIRSASAN, MOSTAFA ARMANFAR, and JAVAD HESARI, “Serum levels of Insulin-like growth factor-1 (IGF-I) as an indicator associated with aerobic and anaerobic fitness assessment in adolescent boys,” MEDICAL JOURNAL OF TABRIZ UNIVERSITY OF MEDICAL SCIENCES, vol. 41, no. 4 , pp. 7–16, 2019, [Online]. Available: https://sid.ir/paper/369008/en

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