ArticleJournal of orthopaedic surgery and research2025
Impact of mental fatigue on lower limb biomechanics and non-contact anterior cruciate ligament injury risk in basketball players during the stop-jump task: a self-controlled trial.
Article in Journal of orthopaedic surgery and research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Exercise-induced fatigue affects lower limb biomechanics in high-risk backhand smash landings among female badminton players.iScience · 2026Article
- Delayed decision, harder landing: how mental fatigue alters reactive step biomechanics and joint loading in table tennis players.Frontiers in psychology · 2026Article
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Authors and funding
6 authors.
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Abstract
backgroundNon-contact anterior cruciate ligament (ACL) injuries are prevalent among basketball players, particularly during abrupt stop-jump actions. Most existing studies have focused primarily on the impact of physical fatigue on athletic performance, often overlooking the critical role of mental fatigue (MF). The MF experienced in high-intensity game scenarios may further increase the risk of non-contact ACL injuries by altering lower limb biomechanical characteristics; however, the underlying mechanisms remain unclear. This study aimed to investigate the effects of mental fatigue on lower limb biomechanics during stop-jump tasks in basketball players and evaluate its potential contribution to ACL injury risk factors.
methodsA total of 38 basketball players were recruited via a self-controlled study design. MF was induced through a 45-minute Stroop task, with fatigue levels assessed via the visual analogue scale (VAS). Infrared motion capture systems, force platforms, and surface electromyography (EMG) devices were used to measure changes in kinematic, kinetic, and surface EMG data before and after MF intervention. The Wilcoxon signed-rank test was applied to analyse the effects of MF on lower limb biomechanical characteristics.
resultsFollowing the induction of MF, significant decreases were observed in the knee flexion angle (z = -2.211, P = 0.02), internal rotation angle (z = -2.228, P = 0.02), internal rotation moment (z = -2.178, P = 0.02), and median frequency (MDF) of the rectus femoris (z = -3.009, P < 0.01), biceps femoris (z = -3.285, P < 0.01), tibialis anterior (z = -3.053, P < 0.01), and gastrocnemius (z = -2.110, P = 0.03). Conversely, significant increases were noted in the peak vertical ground reaction force (z = -2.015, P = 0.04) and knee extension moment (z = -2.162, P = 0.03).
conclusionsMF negatively impacts the biomechanics of the lower extremities during abrupt stop jumps in basketball players, potentially increasing the risk of non-contact ACL injury.
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