TABLE 4.

Subgroup Comparisons - Free Speed Walk

	PFP Group (n=4)	Pain-free Group (n=20)
	Mean (SD)	Mean (SD)	p value
Hip Frontal Plane Angle§-PkMOM (°)	10.8 (3.5)	7.5 (4.0)	.06*
Hip Frontal Plane Angle-MxExt (°)	5.6 (1.3)	3.4 (3.4)	.11*
Hip Transverse Plane Angle‡-PkMOM (°)	−0.9 (3.1)	2.8 (6.6)	.30#
Hip Transverse Plane Angle-MxExt (°)	−0.7 (3.6)	3.6 (6.7)	.24#
Knee Frontal Plane Angle§-PkMOM (°)	−2.2 (5.2)	0.1 (3.7)	.15*
Knee Frontal Plane Angle-MxExt (°)	−4.7 (4.0)	0.3 (3.4)	.01*
Walking Speed (m/sec)	1.4 (0.2)	1.3 (0.1)	.40#

^*1 tailed

^#2 tailed

^§Positive values are adduction/varus, negative values are abduction/valgus

^‡Positive values are medial rotation, negative values are lateral rotation

PkMOM=time of peak knee extensor moment

MxExt=time of peak knee extension/hyperextension angle