A.Internal rotation and adduction

B.Lateral abduction

C.External rotation

D.Neutral position

A.Irregularities of the respective midfoot bones indicative of damage as well as surrounding areas indicative of synovial hypertrophy and effusions

B.The typical appearance of pes equinovarus

C.The normal appearance of irregular ossification centers of the respective midfoot bones

D.An inflammatory process in the subcutaneous tissues, possibly an infection, extending into the joint spaces

A.Ultrasound is inferior to MRI but superior to X-ray in sensitivity.

B.Ultrasound is inferior to MRI and X-ray in sensitivity.

C.Ultrasound is inferior to MRI but superior to clinical exam in sensitivity.

D.Ultrasound is as sensitive as MRI but superior to X-ray.

A.No impact on image acquisition

B.Risk of electrical shock

C.Artifact in the B-Mode image

D.Increased risk of the spread of infection

A.A metacarpal fragment from prior trauma

B.A foreign body

C.A normal sesamoid

D.The tip of an osteophyte