Controversy exists regarding the structural and functional causes of hallux limitus including metatarsus primus elevatus, long first metatarsal, first ray hypermobility, shape of the first metatarsal head and the presence of hallux interphalangeus. Papers have reported on the radiographic evaluation of these measurements in feet affected by hallux limitus, however no study to date has made direct comparisons between the affected and unaffected foot in a group of patients with unilateral hallux limitus. This case-control pilot study aimed to establish if any such differences existed. …