**Christina Zong-Hao Ma**

Dr. Christina Zong-Hao Ma is an Assistant Professor, a Certified Prosthetist and Orthotist (CPO, ISPO Category I), and a Certified Rehabilitation Therapist (CRT) at the Department of Biomedical Engineering, The Hong Kong Polytechnic University (PolyU). Before her appointment at PolyU, she served as a Lecturer, later promoted to Assistant Professor (permanent position), in Prosthetics and orthotics at the Department of Rehabilitation, Jonk ¨ oping University, Sweden, from 2018 to 2020. ¨ She received her PhD from the Faculty of Engineering, The Hong Kong Polytechnic University (2018) and her BSc from the West China School of Medicine, Sichuan University (2012). She also used to work as a Certified Prosthetist and Orthotist and a Clinical Instructor at the China Rehabilitation Research Center (permanent employment, 2012–2013) and as a Visiting Research Scholar in Mechanical Engineering at the University of Michigan, Ann Arbor (2017). Dr. Ma's research focuses on 1) investigating the mechanisms of human posture and motion control; 2) promoting physical activity and active health; and 3) developing solutions for improving balance and preventing falls in older/disabled people. As a CPO and CRT who used to work in hospitals and rehabilitation centers, Dr. Ma is well aware of how physical disability could significantly affect the quality of life of older adults, patients, and their families. She has a genuine interest in promoting these people's quality of life through research and development. Dr. Ma's multidisciplinary academic background in healthcare and engineering and her clinical experience enabled her to employ various interdisciplinary approaches such as biomechanics, electronics, rehabilitation, assistive technology, biomedical ultrasound imaging, and smart wearable technology to achieve her research goals. Her research outcomes can benefit older adults, stroke survivors, trainers/trainees of muscular fitness training, lower-limb amputees, patients with low back pain, etc.
