Concurrent brain endurance training improves endurance exercise performance.

Journal of Science and Medicine in Sport
Neil DallawayChristopher Ring

Abstract

Mental fatigue impairs endurance exercise. Brain endurance training (BET) - engaging in cognitively fatiguing tasks during exercise - can develop resilience to mental fatigue and improve physical performance over physical training alone. The mechanism for this effect is unknown. This experiment examines if BET enhances performance over physical training and investigates potential underlying physiological mechanisms. A mixed design randomised control trial. Pre- and post-testing: 36 participants completed dynamic rhythmic muscular endurance handgrip tasks requiring generation of as much force as possible once a second for 300s, performed under 3 counterbalanced conditions: following 600s of a 2-back memory/attention task (subsequent); while performing a 2-back task (concurrent); and on its own (solo). Cardiac activity, electromyographic forearm activity, pre-frontal cerebral haemodynamics (near infrared spectroscopy), and force were recorded. Training: Participants (randomised to a Control or BET group) completed 24 (6 weeks) submaximal hand contractions sessions. The BET group also completed concurrent cognitive tasks (2-back, Stroop). Measures of motivation, physical and mental exertion and mental fatigue were collected throug...Continue Reading

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Citations

Feb 16, 2021·The Journal of Sports Medicine and Physical Fitness·Mayara M BatistaMarcus P Tartaruga

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