Injury prevention

Document Type



The purpose of this study was to examine the relationship between ankle joint laxity and talocrural and subtalar joint kinematics in healthy people. We obtained lateral fluoroscopic images from 6 healthy male volunteers during walking stance phase and three-dimensional bone positions were determined using 3D-2D model image registration technique. Ankle laxity was measured using instrumented arthrometry. The arthrometry mesurements of anteroposterior displacement and eversion had strong correlation with the range of motion of subtalar eversion/inversion. The quantitative measurement by ankle arthrometry is important to understanding the nature. Further research is needed to examine the linkage of joint laxity and abnormal kinematics for chronic ankle instability.