Forearm rotation and elbow angle differentially modulate biceps brachii and brachioradialis muscle stiffness and EMG activity during low-load isometric contractions: a cross-sectional study in healthy individuals. - Chen, Yiming; Huang, Shujuan; Shen, Peifeng; Li, Yuanchao; He, Yanan; Dong, Guotong; Huang, Siqi; Zou, Meixia; Zhang, Zhijie; Liu, Chunlong (BMC Sports Science, Medicine & Rehabilitation, 2025)