Skip to main content

Table 2 Change in StO2 between specific stages of the exercise protocol at different altitude time points

From: Changes in skeletal muscle oxygenation during exercise measured by near-infrared spectroscopy on ascent to altitude

 

Altitude

Difference

Sea level

3,500 m

5,300 m-a

5,300 m-b

Rest - VO2 max (%)

38.0 (27.9 to 48.1)

33.6 (26.6 to 40.6)

17.7* (10.0 to 25.3)

35.6 (24.4 to 46.8)

3 minutes ULC - VO2 max (%)

44.7 (34.2 to 55.2)

40.7 (32.2 to 49.2)

27.8 (20.2 to 35.4)

47.8 (37.5 to 58.2)

  1. Data are presented as mean (95% confidence interval). StO2, tissue oxygen saturation; ULC, unloaded cycling; VO2 max, maximal oxygen consumption. *Significantly different from sea level.