Table 2.
Physiological and mechanical variables (n = 9) during submaximal rowing exercises. Data are means (±SEM).
Normoxia
Hypoxia
VO
2
(mL
.
min
-1.
kg
-1
)
30.1 (1.5)
30.3 (1.6)
VE (L
.
min
-1
)
56.5 (2.6)
66.9 (3.4)
**
VT (L)
2.23 (.10)
2.16 (.09)
HR (beats
.
min
-1
)
129.7 (4.7)
140.1 (5.1)
*
SR (strokes
.
min
-1
)
23.8 (1.4)
26.5 (1.1)
*
Bf (breaths
.
min
-1
)
25.8 (1.6)
31.4 (1.8)
**
Mean SR/Bf ratio
.93 (.04)
.86 (.05)
VO, oxygen consumption; V, ventilation.; VT, tidal volume, HR, heart rate; SR, stroke rate; Bf, breathing frequency; Mean SR/Bf ratio, mean stroke rate / breathing frequency ratio.
* Significantly different from normoxia (p < 0.05 and p < 0.01).
** Significantly different from normoxia (p < 0.05 and p < 0.01).