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Updated: May 20, 2026
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A Neuroscientific Approach to the Examination of Concussions in Student-Athletes
Published on: December 8, 2014
Evaluating Associations Between Postconcussion Physical Activity and Brain Neurometabolite Concentrations in the
Ross Moseley1,2, Ved Hatolkar3, Mathew J Wingerson1,2
1Department of Orthopedics, University of Colorado School of Medicine, Aurora, CO, USA.
Journal of Child Neurology
|May 19, 2026
Summary
Brain neurometabolite concentrations showed a marginal association with physical activity (PA) volume in adolescents recovering from concussion. Magnetic resonance spectroscopy (MRS) may offer insights into brain chemistry and PA during recovery.
Area of Science:
- Neuroscience
- Sports Medicine
- Radiology
Background:
- Adolescent concussion can impact brain function and recovery.
- Physical activity (PA) is crucial for rehabilitation, but its neurobiological correlates post-concussion are not fully understood.
- Magnetic Resonance Spectroscopy (MRS) allows non-invasive quantification of brain metabolites.
Purpose of the Study:
- To investigate the relationship between brain neurometabolite concentrations and PA volume in adolescents following a concussion.
- To explore how neurometabolite levels change during the recovery period in relation to PA.
Main Methods:
- A longitudinal study involving adolescents (13-18 years) diagnosed with concussion.
- Magnetic Resonance Spectroscopy (MRS) was used to measure neurometabolites (glutathione, glutamate-glutamine, total choline, myo-inositol) in the posterior cingulate gyrus at two time points.
- Participants wore activity monitors to quantify daily steps for 14 days between assessments.
Main Results:
- No significant differences in neurometabolite concentrations were observed between the two assessment visits before accounting for PA.
- Glutamate-glutamine and total choline showed a marginal, non-significant association with PA volume after controlling for symptom severity.
- PA volume was not significantly associated with unadjusted neurometabolite concentrations at the second visit.
Conclusions:
- Neurometabolite concentrations demonstrated a marginal association with subsequent PA volume in adolescents recovering from concussion.
- These findings suggest that MRS may provide valuable insights into the interplay between PA and brain neurochemistry during concussion recovery.
