The absence of a functioning windlass mechanism may delay re-supination of the foot during locomotion and put excess stress on the mid-tarsal joint and soft tissues of the foot. The purpose of this study was to describe the foot posture of individuals that have an impaired or absent windlass mechanism. Forty-seven individuals (34 females and 13 males) with… (More)
Vertical and horizontal equiluminance gratings (red-green and blue-yellow at 1 or 3 cycles per degree) act independently in contrast-threshold measurements. This suggests that detection of such patterns takes place in color-sensitive neural structures with orientational specificity.