Development of lower limb range of motion from early childhood to adolescence in cerebral palsy: a population-based study

In the method section, see following paragraph: "In the present study all assessments of hip abduction, hip external rotation, popliteal angle, knee extension and dorsiflexion of the foot with knee flexion from the start 1994 until 1 January 2007 were included (Table 2)."In Table 2. Goniometer positioning and standardization procedure for all five joint angles, Extremity position Foot dorsiflexion. Supine. Knee in flexion.The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1741-7015/8/49/prepub