| Type | MGI:General | Description | homozygotes show an atypical position of the limbs and are unable to plantar flex their hindfeet when homozygotes are held firmly, clubbed feet can be moved manually to the normal position; when released, the feet return to their original position when clubbed hindfeet are forcibly plantar flexed, the skin on the dorsum of the foot is thrown up in longitudinal ridges; not observed in clubbed forefeet |