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Updated: Jul 8, 2025
A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
Effects of high-intensity interval training program on pituartry function in basketball players: a randomized
Recep Soslu1, Abdullah Uysal1, Meltem Devrilmez2
1Department of Coaching Education, Faculty of Sports Sciences, Karamanoglu Mehmetbey University, Karaman, Türkiye.
Short high-interval training positively impacts basketball players' physiological stress and pituitary function. This 7-week program improved hormone levels and metabolic markers, indicating favorable adaptations for athletes.
Area of Science:
- Sports Science
- Exercise Physiology
- Endocrinology
Background:
- High-intensity interval training (HIIT) is increasingly utilized in athletic conditioning.
- Understanding the endocrine and metabolic responses to HIIT is crucial for optimizing training protocols.
- Cortisol and other key hormones play significant roles in physiological stress and adaptation.
Purpose of the Study:
- To investigate the effects of a 7-week short high-interval training program on hormonal and metabolic profiles in male basketball players.
- To compare the changes in cortisol, Adrenocorticotropic Hormone (ACTH), thyroid hormones, parathyroid hormone (PTH), insulin, and glucose between an experimental and control group.
Main Methods:
- A randomized controlled study involving 27 male basketball players divided into an experimental group (EG) and a control group (CG).
- The EG underwent a 7-week interval training program.
- Blood samples were collected pre- and post-intervention to measure various hormonal and metabolic markers, analyzed using two-way ANOVA for repeated measures.
Main Results:
- The experimental group showed significant improvements in Thyroid Stimulating Hormone (TSH), Parathyroid Hormone (PTH), and Adrenocorticotropic Hormone (ACTH) levels post-intervention compared to pre-intervention values (p=0.000).
- Significant positive changes were observed in Glucose, Cholesterol, Triglyceride, HDL, and Magnesium levels in the exercise group (p=0.000).
- While the control group also showed some changes in PTH and ACTH, the exercise group demonstrated superior outcomes across most measured parameters, except Calcium.
Conclusions:
- Short high-interval training favorably influences pituitary function parameters in basketball players.
- The training program positively impacts energy metabolism regulation and reduces physiological stress associated with prolonged exercise.
- HIIT can be an effective training strategy for enhancing endocrine and metabolic health in athletes.
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