Limping Dinosaurs? Trackway evidence for abnormal gaits

摘要: At least nine different dinosaur trackways are known that reveal alternating long and short steps indicative of limping or some other unusual gait. The reasons for such abnormal gaits not clear in most cases, but they may be related to foot injuries, at one example. Most gait patterns have been observed bipedal dinosaurs, also noted the quadrupedal dinosaurs. Measurements trackway a person similar steps, suggest precede emplacement an injured foot, follow. ratio short/long step length provides measure degree limping. In narrow bipeds, stride is close 2 x mean length, quite regular regardless significant differences consecutive steps. Such regularity always so apparent quadrupeds, where wider severa...