Jingjing Liu received a B.S. degree in Mechanical Design Manufacture and Its Automation from Tongji University in 2010, followed by an M.S. in Biomedical Engineering from University of Shanghai for Science and Technology. He is currently pursuing a doctoral degree from the University of Malaya. His research interests include the design and development of powered ankle–foot prosthesis, and the biomechanics analysis from prosthesis to human body.