Brain hemodynamic changes during sprint interval cycling exercise and recovery periods
SCIENCE & SPORTS, cilt.38, sa.1, ss.75-83, 2023 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 38 Sayı: 1
- Basım Tarihi: 2023
- Doi Numarası: 10.1016/j.scispo.2022.05.001
- Dergi Adı: SCIENCE & SPORTS
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, BIOSIS, CAB Abstracts, SportDiscus
- Sayfa Sayıları: ss.75-83
- Anahtar Kelimeler: Functional near-infrared spectroscopy (fNIRS), Wingate test, Brain hemodynamic, Exercise, Sprint interval training (SIT)
- Dokuz Eylül Üniversitesi Adresli: Evet
Özet
Objectives. - The prefrontal cortex (PFC) is one of the most investigated brain regions on exercise due to its relationship with maintaining exercise. This study aims to demonstrate the effects of a high-intensity exercise on cerebral hemodynamic parameters in the PFC and how physical load reflects on PFC. Methods. - Twelve male (mean +/- SD: age = 20 +/- 1.56 years) performed the Wingate Anaerobic Test (WAnT; 30-s all-out) for three repetitions as a Sprint Interval Training (SIT) exercise model via a cycling ergometer with 4 min of active recovery (50 W, 50 rpm) between the repetitions. A functional Near-infrared Spectroscopy (fNIRS) device was used to record hemodynamic changes of the prefrontal cortex throughout the entire protocol. Results. - The oxy-hemoglobin (oxy-Hb) and total-hemoglobin (total-Hb) levels in the PFC were increased significantly (P < 0.001), while the power outputs were decreased in repetitive WAnT's (P < 0.05). The oxy-Hb values were higher than the pre-exercise values even in the recovery periods between WAnT's (P < 0.001). Conclusions. - In conclusion, repeated load with the active recovery periods might be an optimal approach for increasing the PFC oxygenation to its peak values. These results suggest that a repeated Wingate test could be used as a test to improve the metabolic condition of the athlete's brain. (c) 2022 Elsevier Masson SAS. All rights reserved.