Figure 4 From: Rehabilitation program for traumatic chronic cervical pain associated with unsteadiness: a single case study Statokinesigrams (sway area) during eyes-closed conditions on a soft surface with different head positions: (A) head neutral; (B) left lateral flexion; (C) right lateral flexion; (D) extension. (grey line): pre-intervention COP displacement; (black line): post-intervention COP displacement.Back to article page