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Rostamzadeh, Naser, Sirwan Mohamed, Saiwan. (1404). Changes in growth hormone and insulin-like growth factor (IGF-1 and GH) after a period of endurance swimming training in children. سامانه مدیریت نشریات علمی, 7(14), 5-26. doi: 10.22054/nass.2025.89960.1203
Naser Rostamzadeh; Saiwan Sirwan Mohamed. "Changes in growth hormone and insulin-like growth factor (IGF-1 and GH) after a period of endurance swimming training in children". سامانه مدیریت نشریات علمی, 7, 14, 1404, 5-26. doi: 10.22054/nass.2025.89960.1203
Rostamzadeh, Naser, Sirwan Mohamed, Saiwan. (1404). 'Changes in growth hormone and insulin-like growth factor (IGF-1 and GH) after a period of endurance swimming training in children', سامانه مدیریت نشریات علمی, 7(14), pp. 5-26. doi: 10.22054/nass.2025.89960.1203
Rostamzadeh, Naser, Sirwan Mohamed, Saiwan. Changes in growth hormone and insulin-like growth factor (IGF-1 and GH) after a period of endurance swimming training in children. سامانه مدیریت نشریات علمی, 1404; 7(14): 5-26. doi: 10.22054/nass.2025.89960.1203

Changes in growth hormone and insulin-like growth factor (IGF-1 and GH) after a period of endurance swimming training in children

New Approaches in Exercise Physiology
مقاله 1، دوره 7، شماره 14، اسفند 2025، صفحه 5-26    اصل مقاله (365.69 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22054/nass.2025.89960.1203
نویسندگان
Naser Rostamzadeh* 1؛ Saiwan Sirwan Mohamed2
1Department of Physical Education and Sport Sciences, Faculty of Humanities and Social Sciences, University of Kurdistan, sanandej, Iran
2Department of Sport Science for Health and Performance, College of Physical Education and Sport Sciences, University of Halabja, Kurdistan region, Iraq.
چکیده
Purpose: Growth hormone (GH) and insulin-like growth factor-1 (IGF-1) are critical for somatic development, linear bone growth, and metabolic homeostasis in children. Physical activity, especially endurance training, plays a significant role in modulating these hormones. Therefore, the aim of this study was to investigate the effects of an 8-week endurance swimming training program on GH and IGF-1 levels in prepubertal children. Method: The study involved 30 healthy children aged 9–11 years, randomly assigned to either a swimming group (15 children) or a control group (15 children). The swimming group participated in a structured 8-week training program, three times per week, with each session lasting 60 minutes. GH and IGF-1 levels were measured before and 48 hours after the intervention using enzyme-linked immunosorbent assay (ELISA). Statistical analysis included two-way repeated-measures ANOVA to compare the effects of the training on hormone levels between the groups, with p-values set at 0.05. Results: The results revealed a significant increase in GH for the swimming group (from 17.4±0.9 to 22.9±1.1 ng/mL, p<0.001) compared to the control group (from 17.5±1.0 to 17.7±1.1 ng/mL, p=0.384). For IGF-1, the swimming group also showed a significant rise (from 212.3 ± 24.5 to 232.8±26.1 ng/mL, p=0.018), while the control group showed no significant change (p=0.413). Conclusion: The findings suggest that moderate-intensity endurance swimming can effectively stimulate the GH and IGF-1 axis in prepubertal children, independent of major anthropometric changes. These results support the inclusion of swimming as a safe and effective form of exercise to promote growth-related hormonal health in children.
کلیدواژه‌ها
Growth hormone؛ insulin-like growth factor I؛ swimming؛ endurance training
آمار
تعداد مشاهده مقاله: 143
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