Table 1.

Activation magnitude.

	AREA			PEAK
	Q	H	Coactivation	Q	H
W	1.0 (0)	1.0 (0)	1.0 (0)	1.0 (0)	1.0 (0)
T	2.3 (1.6)*	1.7 (1.4)	1.5 (0.9)	1.7 (1.0)*	1.5 (1.1)
C	1.4 (1.3)	0.7 (0.5)	0.6 (0.7)^	0.9 (0.7)	0.6 (0.4)*^
E	14.4 (10.1)*^#	1.2 (0.8)	5.3 (4.3)*^#	6.9 (7.9)*^#	0.8 (0.4)

Values are means (standard deviation) normalized to the overground walking (W) condition. T=treadmill walking, C=cycling, E=elliptical training, Q=quadriceps, H=hamstrings.

^*significant difference from W,

^{^} significant difference from T,

^# significant difference from C (p<0.05).