Huazhong University of Science and Technology Tongji Medical College First Clinical College Union Hospital 1 article published in JoVE Engineering A Flexible Wearable Supernumerary Robotic Limb for Chronic Stroke Patients Hongge Ru1, WeiJian Gao2, Weixuan Ou2, Xingyue Yang1, Andong Li1, Zhongzheng Fu1, Jun Huo1, Bo Yang1, Yanzhao Zhang3, Xiling Xiao3, Zhaohui Yang3, Jian Huang1 1Key Laboratory for Image Processing and Intelligent Control of Education Ministry of China, School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, 2School of Mechanical Science and Engineering, Huazhong University of Science and Technology, 3Wuhan Union Hospital, Huazhong University of Science and Technology Tongji Medical College First Clinical College Union Hospital This protocol introduces a flexible wearable supernumerary robotic limb tailored to assist in finger rehabilitation for stroke patients. The design incorporates a bending sensor to facilitate seamless human-robot interaction. Validation through experiments involving both healthy volunteers and stroke patients underscores the efficacy and dependability of the proposed study.