The technical deficiencies in traditional medical imagining methods limit the study of in vivo ankle biomechanics. A dual fluoroscopic imaging system (DFIS) provides accurate and non-invasive measurements of dynamic and static activities in joints of the body. This approach can be used to quantify the movement in the single bones of the ankle and analyse different morphological and complex bone positions and movement patterns within these organs and has been widely used in the field of image diagnosis and evaluation of clinical biomechanics. This paper reviews the applications of DFIS that were used to measure the in vivo kinematics of the ankle in the field of clinical and sports medicine. The advantages and shortcomings of DFIS in the practical application are summarised. We further put forward effective research programs for understanding the movement as well as injury mechanism of the ankle in vivo, and provide constructive research direction for future study.
传统医学影像方法技术上的缺陷使足踝的在体生物力学研究受到限制。双平面荧光透视成像系统可精确且非侵入性地捕捉动/静态活动中的人体关节运动，并能够量化单个骨骼的运动，分析足踝内形态不一、结构复杂的骨骼位置及运动规律，现已被广泛应用于影像学诊断和临床生物力学领域。本文回顾了双平面荧光透视成像系统于足踝在体生物力学和临床、运动医学领域内的研究与应用，总结了其在实际应用中的优势与局限性，提出今后可深入了解足踝在体运动与损伤的可行性研究方案，并给出具有建设性的意见和建议。.
Keywords: ankle; dual fluoroscopic imaging system; in vivo kinematics; motion analysis.