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. Author manuscript; available in PMC: 2014 Sep 9.

Published in final edited form as: Eur J Appl Physiol. 2011 Dec 25;112(8):3087–3095. doi: 10.1007/s00421-011-2280-x

Table 2.

Hyperemic responses to exercise and hypoxia

	Rest		8 kg		12 kg
	Normoxia	Hypoxia	Normoxia	Hypoxia	Normoxia	Hypoxia
Diameter (cm)^A
Young	0.42 ± 0.02	0.43 ± 0.02	0.44 ± 0.01	0.45 ± 0.01	0.45 ± 0.01^a	0.46 ± 0.01^a
Old	0.40 ± 0.01	0.40 ± 0.02	0.42 ± 0.02	0.43 ± 0.01	0.43 ± 0.01^a	0.43 ± 0.02^a
Blood flow (FBF, mL/min)^A,^B
Young	77 ± 10	79 ± 11	285 ± 22^a	348 ± 25^a	401 ± 33^a,^b	425 ± 30^a,^b
Old	75 ± 6	83 ± 11	343 ± 28^a	384 ± 22^a	428 ± 30^a,^b	461 ± 32^a,^b
Conductance (FVC, mL/min × 100 mmHg)^B
Young	86 ± 12	87 ± 13	305 ± 23^a	374 ± 28^a	413 ± 30^a,^b	438 ± 30^a,^b
Old	76 ± 7	81 ± 10	317 ± 31^a	350 ± 24^a	367 ± 31^a,^b	419 ± 31^a,^b

Data are presented as mean ± SE. Young n = 17, old n = 12

Main effect of exercise:

^a

p < 0.05 versus rest,

^b

p < 0.05 versus 8 kg

^A

Main effect of group (young vs. old),

^B

main effect of gas condition (normoxia vs. hypoxia)