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Table 1 The changes in Oxy-Hb, Deoxy-Hb, HR, MAP, and Borg scale during ergometer exercise (n = 7 subjects)

From: Dynamic exercise improves cognitive function in association with increased prefrontal oxygenation

 

Baseline

During

Without exercise (time control)

 Oxy-Hb (μmol)

0

−0.62 ± 0.17

 Deoxy-Hb (μmol)

0

0.32 ± 0.23

 HR (beats/min)

65 ± 2

66 ± 4

 MAP (mmHg)

78 ± 2

78 ± 3

 Borg scale

20 %-EXmax

 Oxy-Hb (μmol)

0

−0.49 ± 0.30

 Deoxy-Hb (μmol)

0

0.11 ± 0.21

 HR (beats/min)

65 ± 4

90 ± 8*,#

 MAP (mmHg)

80 ± 2

84 ± 3

 Borg scale

10 ± 1

40 %-EXmax

 Oxy-Hb (μmol)

0

0.63 ± 0.44

 Deoxy-Hb (μmol)

0

0.17 ± 0.16

 HR (beats/min)

65 ± 5

109 ± 5*,#

 MAP (mmHg)

79 ± 2

90 ± 1*,#

 Borg scale

12 ± 0

60 %-EXmax

 Oxy-Hb (μmol)

0

3.24 ± 1.29*,#

 Deoxy-Hb (μmol)

0

0.28 ± 0.25

 HR (beats/min)

66 ± 4

140 ± 6*,#

 MAP (mmHg)

79 ± 3

101 ± 3*,#

 Borg scale

14 ± 1

  1. Oxy-Hb oxygenated hemoglobin, Deoxy-Hb deoxygenated hemoglobin, HR heart rate, MAP mean arterial blood pressure, EX max maximal voluntary exercise
  2. * Significant difference (paired t test, P < 0.05) from the baseline before exercise
  3. #Significant difference (Dunnett’s test, P < 0.05) from the change during time control (without exercise)