Skill-Level Dependent Lower Limb Muscle Synergy Patterns During Open-Stance Forehand Strokes in Competitive Tennis Players. - Wang, Yucheng; Sun, Dong; Wang, Dongxu; Chen, Diwei; Li, Fengping; Zhou, Zhanyi; Cen, Xuanzhen; Song, Yang; Janicijevic, Danica; Gu, Yaodong (Applied Sciences (2076-3417), 2025)