Journal of science and medicine in sport · 2026
Multisensory assessment and machine learning for athlete classification in talent identification.
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MacGabhann Stephen, Waddington Gordon, Witchalls Jeremy, Cobley Stephen, Dowse Rebecca, Newman Phillip
Аннотация
BACKGROUND: Talent identification in elite sport is challenged by maturation confounding and limited objective assessment tools. This preliminary study examined whether visual-vestibular-somatosensory and autonomic (VVS-A) measures distinguished podium-level from entry-level divers using machine learning.
OBJECTIVES: (1) Identify VVS-A features distinguishing podium-level divers from a Come and Try group using traditional statistical comparisons; (2) evaluate machine-learning models' ability to classify podium-level athletes; and (3) examine the distribution of classification probabilities using lift-curve analysis.
DESIGN: Cross-sectional exploratory study with machine-learning classification.
METHODS: Sixty participants from an Olympic diving talent identification programme underwent VVS-A assessment. Somatosensory function was evaluated via ankle proprioception using the AMEDA device. Visual, vestibular, and autonomic functions were assessed using the Prism-Neuro Eye system. Group differences were examined using independent-sample Student's t-tests. Supervised ML models were trained on selected VVS-A measures and evaluated using cross-validation and a held-out test set.
RESULTS: Podium-level athletes demonstrated superior ankle proprioception (Left: p < 0.001, d = 1.57; Right: p < 0.001, d = 1.83) and visual-vestibular smooth pursuit (p = 0.001, r = 0.51). No group differences were observed for voluntary saccades or autonomic metrics. A calibrated Ridge Logistic Regression model classified podium-level athletes with high accuracy within this sample (94.4%; AUC = 0.889).
CONCLUSIONS: Selected VVS-A measures were associated with differences in current performance level in Olympic diving. However, the cross-sectional design, age differences between groups, and limited sample size preclude conclusions regarding predictive validity, necessitating longitudinal sport-specific validation before informing applied practice within talent identification contexts.
OBJECTIVES: (1) Identify VVS-A features distinguishing podium-level divers from a Come and Try group using traditional statistical comparisons; (2) evaluate machine-learning models' ability to classify podium-level athletes; and (3) examine the distribution of classification probabilities using lift-curve analysis.
DESIGN: Cross-sectional exploratory study with machine-learning classification.
METHODS: Sixty participants from an Olympic diving talent identification programme underwent VVS-A assessment. Somatosensory function was evaluated via ankle proprioception using the AMEDA device. Visual, vestibular, and autonomic functions were assessed using the Prism-Neuro Eye system. Group differences were examined using independent-sample Student's t-tests. Supervised ML models were trained on selected VVS-A measures and evaluated using cross-validation and a held-out test set.
RESULTS: Podium-level athletes demonstrated superior ankle proprioception (Left: p < 0.001, d = 1.57; Right: p < 0.001, d = 1.83) and visual-vestibular smooth pursuit (p = 0.001, r = 0.51). No group differences were observed for voluntary saccades or autonomic metrics. A calibrated Ridge Logistic Regression model classified podium-level athletes with high accuracy within this sample (94.4%; AUC = 0.889).
CONCLUSIONS: Selected VVS-A measures were associated with differences in current performance level in Olympic diving. However, the cross-sectional design, age differences between groups, and limited sample size preclude conclusions regarding predictive validity, necessitating longitudinal sport-specific validation before informing applied practice within talent identification contexts.