Table 5. Summary of inter-relationships for kinematic variables in factor four.

Column 1 Variables increasing / decreasing together	Column 2 Variables increasing / decreasing together & opposite to those in column 1
Hip extension @ heel-strike	Peak thoracolumbar spine extension
* Peak hip extension	Thoracolumbar spine extension @ toe-off
	Thoracolumbar spine extension @ heel-strike
	Knee flexion / extension ROM in follow-through

* Variables loading more strongly on other factors.