Controversy exists regarding the role of pelvic obliquity in hip dyspl
asia and cerebral palsy Earlier authors noted such a relationship but
did not confirm its existence by scientific study, The current study c
onfirms the association of pelvic obliquity to hip dysplasia in spasti
c cerebral palsy At presentation of subluxation or dislocation before
surgery, 80 patients were indexed into 5 body alignment types. Reclass
ifications were performed with passage of time to study the natural hi
story and effects of surgery, Hip dysplasia was found in all cases to
be consistent with the forces related to pelvic obliquity.