Table 2 Notable passive range of motion measures for ages 6–13 years, with exceptions noted

Hip extension

10–20° flexion^a

10–20° flexion^a

Hip internal rotation/external rotation

70–75°/45–70°

65–80°/40–55°^b

Hip abduction

30–45°

20–40°

Popliteal angle (full knee extension = 0°)

65–80°

60–75°

Knee extension

5–10° flexion

0–5° hyperextension^c

Ankle dorsiflexion (knee extended)

0–10°

0–10°

Ankle dorsiflexion (knee flexed)

5–20°

5–20°