PCS Pediatric Orthopedic and Musculoskeletal Conditions

Question 1

A 10-year-old presents with anterior knee pain that worsens with jumping and running, and tenderness over the tibial tuberosity. Which condition is most likely?

Accepted Answer

Osgood-Schlatter disease

Answer

Patellofemoral pain syndrome

Answer

Sinding-Larsen-Johansson syndrome

Answer

Jumper's knee (patellar tendinopathy)

Question 2

When assessing an infant for developmental dysplasia of the hip (DDH), which clinical test involves abduction of the flexed hip to detect a dislocated femoral head relocating into the acetabulum?

Accepted Answer

Ortolani test

Answer

Barlow test

Answer

FABER test

Answer

Trendelenburg test

Question 3

A pediatric physical therapist evaluates a 13-year-old with scoliosis. Which Cobb angle measurement is typically the threshold for recommending bracing in a skeletally immature patient?

Accepted Answer

25–40 degrees

Answer

10–15 degrees

Answer

45–50 degrees

Answer

5–10 degrees

Question 4

Which gait deviation is most characteristic of a child with bilateral hip flexion contractures?

Accepted Answer

Increased lumbar lordosis with anterior pelvic tilt

Answer

Trendelenburg gait

Answer

Scissor gait

Answer

Steppage gait

Question 5

In a child diagnosed with Legg-Calvé-Perthes disease, which stage is characterized by revascularization and new bone formation in the femoral head?

Accepted Answer

Reossification stage

Answer

Fragmentation stage

Answer

Initial/necrotic stage

Answer

Residual stage

Question 6

A pediatric physical therapist notes that a 6-year-old child walks with bilateral in-toeing. Which of the following is the MOST common cause of in-toeing in children this age?

Accepted Answer

Femoral anteversion

Answer

Metatarsus adductus

Answer

Internal tibial torsion

Answer

Clubfoot

Question 7

Which imaging modality is considered the gold standard for confirming developmental dysplasia of the hip (DDH) in infants younger than 4 months?

Accepted Answer

Ultrasound

Answer

Plain radiograph (X-ray)

Answer

MRI

Answer

CT scan