Table 5: Morphologic and orthopedic features of JHS/ED-HT.


Leptosomic built or true Marfanoid habitus
Dorsal hyperkyphosis
Lumbar hyperlordosis
Scoliosis of mild degree
Fixed subluxation of the costochondral 
and/or sternoclavicular joints
Fixed dorsal subluxation of the distal radioulnar joint
Fixed subluxation of the first carpometacarpal joint
Cubitus valgus
Femur anteversion1
Patella alta or baja
Genuum valgum
Flexible flatfoot
Hallux valgus
High-arched/narrow palate
Facial asymmetry of mild degree (likely secondary to deformational plagiocephaly)

1Intoeing, kissing rotulae, and “W” position of the lower limbs at sitting.