Table 4.

Forearm hemodynamics normalized for forearm volume and workload during normoxia and hypoxia in men and women

	Rest	10% MVC	20% MVC	10% MVC	20% MVC
	FBF normalized to FAV, ml×min−1×100 ml FAV−1			FBF normalized to workload, ml×min−1×100 g weight lifted−1
Young
Men (n = 16)
Normoxia	7.3 ± 0.8	22.4 ± 1.2†	38.4 ± 2.2†	5.3 ± 0.3	4.6 ± 0.2
Hypoxia	7.7 ± 0.6	26.0 ± 1.1*†	43.9 ± 2.3*†	6.2 ± 0.3*	5.2 ± 0.2*
Women (n = 15)
Normoxia	5.4 ± 0.7‡	18.3 ± 1.6†‡	29.9 ± 3.0†‡	5.1 ± 0.4	3.9 ± 0.3
Hypoxia	7.0 ± 0.8*	22.7 ± 2.4†*	36.4 ± 3.4†*	6.3 ± 2.4*	4.7 ± 0.3*
	FVC normalized to FAV, ml×min−1×100 mmHg−1×100 ml FAV−1			FVC normalized to workload, ml×min−1×100 mmHg−1×100 g weight lifted−1
Men (n = 16)
Normoxia	8.1 ± 0.8	24.3 ± 1.1†	40.3 ± 2.1†	5.8 ± 0.3	4.8 ± 0.2
Hypoxia	8.6 ± 0.7	28.1 ± 1.0*†	46.2 ± 2.3*†	6.7 ± 0.2*	5.5 ± 0.2*
Women (n = 15)
Normoxia	6.3 ± 0.8	21.0 ± 1.9†	34.1 ± 3.4†	5.9 ± 0.5	4.4 ± 0.3
Hypoxia	8.1 ± 0.9*	26.9 ± 2.6*†	43.2 ± 3.9*†	7.5 ± 0.7*	5.6 ± 0.3*
	FBF normalized to FAV, ml×min−1×100 ml FAV−1			FBF normalized to workload, ml×min−1×100 g weight lifted−1
Older
Men (n = 5)
Normoxia	7.7 ± 0.5	26.3 ± 4.1†	42.9 ± 7.3†	6.1 ± 0.05	4.8 ± 0.5
Hypoxia	8.5 ± 0.7	32.2 ± 5.7*†	46.9 ± 8.1†	7.5 ± 0.8*	5.3 ± 0.5
Women (n = 6)
Normoxia	8.1 ± 1.5	24.7 ± 2.7†	37.6 ± 5.6†	6.3 ± 0.4	4.9 ± 0.6
Hypoxia	9.3 ± 2.0	28.9 ± 3.3*†	40.5 ± 4.7*†	7.3 ± 0.6*	5.3 ± 0.5*
	FVC normalized to FAV, ml×min−1×100 mmHg−1×100 ml FAV−1			FVC normalized to workload, ml×min−1×100 mmHg−1×100 g weight lifted−1
Men (n = 5)
Normoxia	7.2 ± 0.5	23.7 ± 3.7†	37.7 ± 5.9†	5.5 ± 0.4	4.3 ± 0.4
Hypoxia	8.0 ± 0.4	28.7 ± 4.8*†	42.1 ± 7.1*†	6.6 ± 0.6*	4.7 ± 0.5
Women (n = 6)
Normoxia	8.3 ± 1.6	24.7 ± 3.2†	36.0 ± 5.6†	6.2 ± 0.6	4.7 ± 0.7
Hypoxia	9.2 ± 2.0	29.3 ± 4.2*†	40.3 ± 5.3*†	7.3 ± 0.8*	5.3 ± 0.7*

Values are means ± SE; n, no. of subjects.

^*P < 0.05 vs. normoxia.

^†P < 0.01 vs. previous exercise intensity.

^‡P < 0.05 vs. men.