Abnormal looking feet

An 11-month-old child is seen in the orthopedic clinic because the mother claims that the child has abnormal looking feet. The child has just started to stand up and it was only then that the mother noticed his feet. The images of the child’s feet are shown below. What other musculoskeletal system will you examine next?

image

A. Examine the spine for scoliosis
B. The knee to rule out Osgood Schlatter disease
C. Hip for dysplasia
D. Hand to look for absence of thumb