Additional malformations include genu recurvatum, enlargement of the posterior neural arches of the cervical vertebrae, and thickening of the palmar and forearm fasciae.
[orpha.net]
[…] of the posterior neural arches of the cervical vertebrae, and shuffling short-stepped gait.
[omim.org]
[…] fissures, short spade-like hands, broad thumbs in valgus position, genu recurvatum and generalized limitation of joint mobility, thickening of the palmar and forearm fasciae, enlargement
[omim.org]