What question did this study set out to answer?

The study aims to investigate the combined effects of physical-mental fatigue on badminton forehand smash performance.

A240: Synergistic Effects of Physical-Mental Mixed Fatigue on Badminton Forehand Smash Performance

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Experiments reveal how combined physical and cognitive fatigue affects badminton smash performance, suggesting improved training strategies.

The study aims to investigate the combined effects of physical-mental fatigue on badminton forehand smash performance.
Conducted a single-factor repeated-measures experiment with 24 national-level badminton athletes.
Implemented a graded fatigue protocol combining physical tasks and cognitive stressors.
Used multidimensional metrics, including subjective fatigue scores, jump height, smash velocity, and accuracy measurements.
Analyzed data with mixed-model ANOVA and Pearson correlations to evaluate fatigue and performance outcomes.
Significant increases in subjective fatigue scores (RPE increased from 0 to 7.25).
35.49% decline in countermovement jump height (from 41.00 to 27.86 cm).
Smash velocity decreased by 10.6% (from 198.21 to 177.21 km/h).
Accuracy dropped by 46.1% (from 16.92 to 9.12 points).
Speed-accuracy trade-off observed under moderate-to-severe fatigue, indicating compromised motor control.

Wang et al. (2026) studied this question.

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Experiments reveal how combined physical and cognitive fatigue affects badminton smash performance, suggesting improved training strategies.