Author

Ji-Heng Zhang

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Open access Sep 2026

Biomechanical and movement-quality predictors of lower-limb load-related injury in collegiate athletes: a prospective cohort study using functional movement screening, wearable inertial sensing, and explainable machine learning

Lower-limb load-related injuries account for a disproportionate share of time loss in collegiate sport, yet the biomechanical and movement-quality factors distinguishing injured from uninjured athletes remain incompletely characterized. This prospective cohort study followed 161 collegiate athletes for one competitive...

Xuqingfeng Xu, Ji-Heng Zhang, Jian-Lu Liao · Frontiers in Physiology · 0 citations

Preprint Sep 2026

Efficient Parameter-Free First-Order Methods for Nonsmooth Composite Minimax Optimization

In this paper we propose first-order methods for a class of nonsmooth composite strongly convex--strongly concave and nonconvex--concave minimax optimization. We first develop an inexact proximal method and an accumulative regularizated method for strongly convex--strongly concave problems. The latter achieves the opti...

Shao-Zhe Ke, Sanyou Mei, Ji-Heng Zhang · 0 citations