Neurophysiological effects of acute aerobic exercise in young adults: a systematic review and meta-analysis.
Neurosci Biobehav Rev
; 164: 105811, 2024 Sep.
Article
in En
| MEDLINE
| ID: mdl-39025386
ABSTRACT
Evidence continues to accumulate that acute aerobic exercise (AAE) impacts neurophysiological excitability as measured by transcranial magnetic stimulation (TMS). Yet, uncertainty exists about which TMS measures are modulated after AAE in young adults. The influence of AAE intensity and duration of effects are also uncertain. This pre-registered meta-analysis (CRD42017065673) addressed these uncertainties by synthesizing data from 23 studies (including 474 participants) published until February 2024. Meta-analysis was run using a random-effects model and Hedge's g used as effect size. Our results demonstrated a decrease in short-interval intracortical inhibition (SICI) following AAE (g = 0.27; 95â¯% CI [0.16-0.38]; p <.0001), particularly for moderate (g = 0.18; 95â¯% CI [0.05-0.31]; p <.01) and high (g = 0.49; 95â¯% CI [0.27-0.71]; p <.0001) AAE intensities. These effects remained for 30â¯minutes after AAE. Additionally, increased corticospinal excitability was only observed for high intensity AAE (g = 0.28; 95â¯% CI, [0.07-0.48]; p <.01). Our results suggest potential mechanisms for inducing a more susceptible neuroplastic environment following AAE.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Exercise
/
Evoked Potentials, Motor
/
Transcranial Magnetic Stimulation
Limits:
Adult
/
Humans
Language:
En
Journal:
Neurosci Biobehav Rev
Year:
2024
Document type:
Article
Country of publication:
United States