In fact, 15 degrees of external rotation of the foot is considered normal. Sometimes the hip is positioned so that the leg turns outward naturally when walking, Mansdorf writes in an e-mail.

Transverse plane rotation of right (red) and left (green) pelvis and hip and foot progression for a patient with cerebral palsy (Video 4). The left side pelvis is rotated externally and the right ...

The issue: The foot can sit naturally in a degree of external rotation – when the toes of each foot are further apart than the heels. But it can go too far, causing form issues. If the ...