Anodal tDCS improves neuromuscular adaptations to short-term resistance training of the knee extensors in healthy individuals
2024

tDCS and Resistance Training

Sample size: 24 publication 10 minutes Evidence: moderate

Author Information

Author(s): Angius Luca, Ansdell Paul, Škarabot Jakob, Goodall Stuart, Thomas Kevin, Cowper Gavin, Santarnecchi Emiliano, Kidgell Dawson J., Howatson Glyn

Primary Institution: Northumbria University

Hypothesis

tDCS would enhance the neural adaptations to acute and short-term resistance exercise.

Conclusion

tDCS can facilitate improvements in strength in large lower limb muscles that are evident after a short period of training but not after a single bout.

Supporting Evidence

  • tDCS did not affect neuromuscular function after a single training session.
  • After 3 weeks of training, MVC increased more in the a-tDCS group compared to Sham.
  • Voluntary activation and corticospinal excitability increased more in the a-tDCS group.

Takeaway

This study found that using brain stimulation before exercise can help people get stronger over time, but it doesn't help right away after just one workout.

Methodology

Participants performed resistance training with either anodal tDCS or placebo tDCS, with assessments of neuromuscular function and neural responses before and after training.

Potential Biases

Variability in individual responses to tDCS may affect the results.

Limitations

The study's findings may not be generalizable due to the specific population and training protocol used.

Participant Demographics

24 healthy participants, mean age 30 years, 4 females.

Statistical Information

P-Value

0.04

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1152/jn.00289.2024

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