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Concurrent brain endurance training improves endurance exercise performance.

Neil Dallaway1, Samuel J E Lucas1, Christopher Ring1

  • 1School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK.

Journal of Science and Medicine in Sport
|November 21, 2020
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Summary
This summary is machine-generated.

Brain endurance training (BET) enhanced handgrip endurance performance more than physical training alone. This improvement was linked to maintained pre-frontal brain oxygenation, suggesting reduced mental effort during exercise.

Keywords:
AttentionMental fatigueMuscle fatigueNear infrared spectroscopyPrefrontal cortexPsychobiological model

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Area of Science:

  • Exercise Physiology
  • Cognitive Neuroscience
  • Sports Science

Background:

  • Mental fatigue significantly impairs endurance exercise performance.
  • Brain endurance training (BET) involves cognitive tasks during exercise to build mental fatigue resilience.
  • BET may enhance physical performance beyond physical training alone, but the underlying mechanisms are unclear.

Purpose of the Study:

  • To investigate if Brain Endurance Training (BET) improves endurance performance compared to physical training.
  • To explore the physiological mechanisms, specifically pre-frontal cerebral haemodynamics, associated with BET's effects on performance.
  • To examine the impact of concurrent cognitive tasks during exercise on physical endurance.

Main Methods:

  • A mixed-design randomized controlled trial involving 36 participants.
  • Participants underwent pre- and post-training assessments of handgrip endurance under 'subsequent', 'concurrent', and 'solo' cognitive task conditions.
  • The BET group engaged in concurrent cognitive tasks (2-back, Stroop) during training, while the control group performed only physical training.

Main Results:

  • Endurance performance improved significantly more in the BET group (32%) compared to the control group (12%).
  • The enhanced performance in the BET group was associated with higher pre-frontal brain oxygenation during post-training physical tasks.
  • This suggests a training-induced adaptation in neural resource allocation during physical exertion.

Conclusions:

  • Concurrent Brain Endurance Training (BET) effectively improves endurance performance beyond physical training alone.
  • The observed performance gains are linked to maintained pre-frontal oxygenation, indicating a potential reduction in perceived mental effort.
  • BET offers a novel strategy for enhancing physical performance by targeting cognitive-physical interactions.