Table I.

Mean values, (^*) indicates significant difference from pre value (P = < 0.05).

Changes Post-Downhill Running
		Pre DHR	Immed.	1 Day	2 Day	3 Day	4 Day
VO2 peak (L/min)
	65%	1.8 ± .24	1.99* ± .23	1.93 ± .29	1.83 ± .22	1.75 ± .22	1.74 ± .21
	75%	2.1 ± .25	2.19* ± .24	2.13 ± .31	2.06 ± .28	2.02 ± .30	2.02 ±.27
	85%	2.27 ± .25	2.35 ± .27	2.34 ± .32	2.34 ± .28	2.26 ± .31	2.29 ± .30
CK (ml/dl)		105 ± 51	195 ± 172	892* ± 666	476 ± 368	375 ± 341	566 ± 583
Perceived Muscle Soreness		2.17 ± 4	30.33 ± 31	51.17* ± 30	62.17* ± 28	36.17* ± 23	20.5 ± 16
RPE
	65%	9.17 ± 2.2	11.08 ± 3.5	10.59 ± 2.8	10.97 ± 3.1	10.17 ± 2.1	10.08 ± 2.3
	75%	11.75 ± 2.3	12.52 ± 3.5	12.33 ± 2.8	12.58 ± 3.1	12.17 ± 2.5	11.5 ± 2.4
	85%	13.67 ± 3.0	14.17 ± 3.5	13.75 ± 2.8	14.00 ± 3.0	13.67 ± 2.6	13.17 ± 2.9