Table 2.

Muscle burst onset latencies by subject group

ONSET LATENCY (msec)
Perturbation	Muscle	Group
		MCSCI	MISCI	ND
EH	RF	95	90	103
	BF	154	168	157
	TA	124	148	102*
	SOL	157	90	120
EK	RF	117	102	128
	BF	92	109	101
	TA	100	112	101*
	SOL	109	99	87
LH	RF	113	120	133
	BF	88	78	114
	TA	154	132	100*
	SOL	108	123	121
LK	RF	110	100	110
	BF	104	108	99
	TA	113	112	86*
	SOL	74	105	107

EH=early hip, EK=early knee, LH=late hip, LK=late knee,

^*=latency was significantly different in ND subjects compared to SCI groups