Relationship between Subtalar Joint Stiffness and Relaxed Calcaneal Stance Position in Cerebral Palsy Children with Valgus Deformities

Figure 3

STJ stiffness of 38 feet. (a) Force-displacement data of reposition process in three measurements of one subject. A line was used to fit the force-displacement data with least squares fitting algorithm. The STJ stiffness was defined as the slope of the line. (b) STJ stiffness-CSI data of 38 feet.

(a)

(b)