INVESTIGATING AND PREVENTING SPORT-RELATED ANKLE SPRAIN INJURY

  • Daniel Tik-Pu Fong
Keywords: Ankle ligamentous sprain, sports injury, injury prevention, prophylactic device

Abstract

Ankle sprain injury is very common in sports. It is worth investigating and preventing it. From the literature, two aetiologies were identified: (1) incorrect landing posture, and (2) delayed peroneal muscle reaction. To investigate the injury mechanism, a model-based image-matching motion analysis technique was developed to analyze real injury incidents captured in televised events. The study provided data for establishing a threshold to identify ankle sprain injury hazard by the inversion velocity as monitored by a uni-axial gyrometer. To prevent the injury, a myoelectric stimulation system was developed to initiate peroneal muscle contraction in a very short time (within 25ms) to accommodate the injurious motion (within 50ms) before the muscle could react (60-90ms). The invention will be commercialized as a prophylactic sport apparel in the coming years.
Published
2013-09-08
Section
Hans Gros Emerging Research Award Lecture