Legg-Calvé-Perthes disease is a hip disorder of unknown etiology that results from temporary interruption of the blood supply to the proximal femoral epiphysis, leading to osteonecrosis and femoral head deformity. Of the following, the MOST common presenting symptom is

Correct Answer: A

Rationale: A limp is the most common initial symptom in Legg-Calvé-Perthes disease, often insidious in onset.

Correct Answer: B

Rationale: Shoulder injuries, particularly rotator cuff issues, are most common in swimmers due to repetitive overhead motion.

Correct Answer: B

Rationale: Supination of the forearm is the standard reduction maneuver for nursemaid's elbow, often resolving the issue immediately. Radiographs or antibiotics aren't needed without fracture or infection signs.

Correct Answer: B

Rationale: Flexible flatfeet are typically painless and common in children, resolving with age.

Correct Answer: B

Rationale: Talipes equinovarus is clubfoot, a congenital foot deformity.