Automatic Functional Shoulder Task Identification and Sub-Task Segmentation Using Wearable Inertial Measurement Units for Frozen Shoulder Assessment. - Chih-Ya Chang; Chia-Yeh Hsieh; Hsiang-Yun Huang; Yung-Tsan Wu; Liang-Cheng Chen; Chia-Tai Chan; Kai-Chun Liu (Sensors, 2021)