About this trial
Objective: To investigate the effects of brain endurance training on improving motor skill learning in adolescents with mild mental fatigue. Methods: Fifty-eight adolescents experiencing mild mental fatigue were recruited. A 6-week training program was conducted using a 2 (BET group, control group) × 2 (pre- and post-Stroop task) × 3 (0, 3, 6 weeks) mixed-design experimental design. Assessments included basketball free throws, the Visual Analog Scale (VAS-MF), the 3-minute Psychomotor Vigilance Test (PVT-B), the Borg Rating of Perceived Exertion (RPE) to assess performance before and after a 30-minute Stroop task.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Participants assessed as having mild mental fatigue using the Mental Fatigue VAS scale
No prior experience in learning specific motor skills
In good physical health, with no history of central nervous system disorders, musculoskeletal injuries, or mental health conditions
Disqualifiers
Individuals with moderate to severe mental fatigue or no mental fatigue
Individuals with moderate to severe mental fatigue or no mental fatigue
Individuals with a history of traumatic brain injury, epilepsy, chronic headaches, ADHD, anxiety, or depression - Individuals who have sustained a musculoskeletal injury within the past month and are unable to complete standardized exercise routines
Individuals taking medications that affect central nervous system function on a long-term basis, or who have consumed caffeine, energy drinks, or alcohol within 24 hours prior to the experiment - Individuals with persistent sleep disorders
Trial design
Parallel
Treatments tested in this trial
Motor Skill Learning
BehavioralDuring training, the BET group completed a 20-minute 2-back task \[28\], followed by a 5-minute break, after which they performed free-throw-related physical and technical training. The presentation timing and intervals of the 2-back task stimuli were adjusted every two weeks \[18\]. During testing, the BET group completed 20 free-throw trials and a 1-minute free-throw test \[29\] before and after the 30-minute Stroop task, and underwent PVT-B, VAS-MF, and RPE assessments.
Motor Skill Learning
BehavioralThe BET group and the control group underwent physical and technical training related to free throws; the training content, intensity, and workload were identical for both groups. While the BET group performed cognitive tasks, the control group rested in place. During testing, the control group completed a 20-free-throw test and a 1-minute free-throw test \[29\] before and after the 30-minute Stroop task, and underwent PVT-B, VAS-MF, and RPE assessments.
Treatment groups
Trial outcomes
Primary outcomes
Number of Free Throws Made in Basketball
Number of Free Throws in 1 Minute
Free throws made in 1 minute
Secondary outcomes
VAS-MF
The 10cm VAS-MF was used to assess the degree of mental fatigue. The scale consists of an unmarked horizontal line, with the left end (0 = not at all fatigued) and the right end (10 = completely fatigued) representing the lowest and highest states of this dimension, respectively. Participants are instructed by the examiner to draw a vertical line on the scale that reflects their immediate feelings. A quantitative score is derived by measuring the physical distance (0-10 cm) from the left end of the scale to the marked point.
RPE
The Borg Rate of Perceived Exertion (RPE) scale assesses perceived exertion (0-10); participants indicate their perceived exertion level using their fingers.
At the time of the reaction
All cognitive tasks were conducted using E-Prime 3.0 software. During the 3-minute PVT-B reaction time test, a visual stimulus lasting 1-8 seconds was first presented in the center of the computer screen; participants were instructed to press the "space" key as quickly as possible to respond, after which the screen went blank for 500 ms before proceeding to the next cycle.
Locations
Sponsors and contacts
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Yunliang Zhang
Lead sponsor
Tianjin University of Sport
Sponsor institution
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