Find in Library
Search millions of books, articles, and more
Indexed Open Access Databases
An Acute Bout of Soccer Heading Subtly Alters Neurovascular Coupling Metrics
oleh: Jonathan D. Smirl, Jonathan D. Smirl, Jonathan D. Smirl, Jonathan D. Smirl, Jonathan D. Smirl, Jonathan D. Smirl, Jonathan D. Smirl, Jonathan D. Smirl, Dakota Peacock, Alexander D. Wright, Alexander D. Wright, Alexander D. Wright, Alexander D. Wright, Kevin J. Bouliane, Jill Dierijck, Jill Dierijck, Joel S. Burma, Joel S. Burma, Joel S. Burma, Joel S. Burma, Michael Kennefick, Colin Wallace, Paul van Donkelaar
Format: | Article |
---|---|
Diterbitkan: | Frontiers Media S.A. 2020-07-01 |
Deskripsi
Objective: The current investigation examined how a bout of soccer heading may impact brain function.Design: Semi-randomized crossover cohort.Setting: Controlled soccer heading.Participants: Seven male soccer players (24.1 ± 1.5 years).Intervention: 40 successful soccer headers were performed in 20 min (25 m, launch velocity ~80 km/h). X2 xPatch recorded linear and rotational head accelerations during each impact. A contact control “sham” condition – ball made body contact, but not by the head; and a no activity time “control” condition were also completed.Main Outcome Measures: Posterior and middle cerebral artery (PCA and MCA, respectively), cerebral blood velocity (CBV) was recorded during a visual task (neurovascular coupling: NVC) alongside SCAT3 symptoms scores pre/post a controlled bout of soccer heading.Results: Cumulative linear and rotational accelerations were 1,574 ± 97.9 g and 313,761 ± 23,966 rads/s2, respectively, during heading and changes in SCAT3 symptom number (pre: 2.6 ± 3.0; post: 6.7 ± 6.2, p = 0.13) and severity (pre: 3.7 ± 3.6, post: 9.4 ± 7.6, p = 0.11) were unchanged. In the PCA, no NVC differences were observed, including: relative CBV increase (28.0 ± 7.6%, p = 0.71) and total activation (188.7 ± 68.1 cm, p = 0.93). However, MCA-derived NVC metrics were blunted following heading, demonstrating decreased relative CBV increase (7.8 ± 3.1%, p = 0.03) and decreased total activation (26.7 ± 45.3 cm, p = 0.04).Conclusion: Although an acute bout of soccer heading did not result in an increase of concussion-like symptoms, there were alterations in NVC responses within the MCA during a visual task. This suggests an acute bout of repetitive soccer heading can alter CBV regulation within the region of the brain associated with the header impacts.