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Table 2 Change physiological values during the endurance rides

From: Changes in serum BDNF levels associated with moderate-intensity exercise in healthy young Japanese men

 

Rest

Warm-up

Ex1-5

Ex6-10

Ex11-15

Ex16-20

Ex21-25

Ex26-30

VO2 (mL/min/kg)

7.1 (2.4)

12.9 (2.1)

18.3 (2.7)

21.4 (3.2)

21.8 (3.5)

21.8 (3.5)

21.8 (3.6)

21.8 (3.5)

%VO2max (%)

20.4 (7.0)

36.0 (4.9)

51.3 (6.0)

59.5 (4.1)

60.6 (3.5)

60.5 (3.5)

60.4 (3.2)

60.4 (3.4)

W/kg

-

0.99 (0.17)

1.4 (0.21)

1.53 (0.27)

1.51 (0.28)

1.47 (0.29)

1.45 (0.28)

1.43 (0.27)

HR (bpm)

75.4 (11.3)

111.0 (12.3)

132.7 (15.1)

145.9 (13.8)

151.5 (14.1)

154.2 (13.4)

156.1 (13.8)

157.8 (12.8)

%HRR (%)a

-

32.3 (8.2)

52.1 (11.4)

64.0 (10.9)

69.1 (11.5)

71.6 (10.8)

73.3 (11.1)

74.8 (10.3)

RER

0.8 (0.07)

0.88 (0.08)

1.06 (0.11)

1.05 (0.1)

1.03 (0.11)

1.01 (0.11)

1.0 (0.09)

0.99 (0.09)

Borg scale

-

8.1 (1.8)

11.4 (2.5)

13.2 (2.2)

14.1 (2.1)

14.8 (2.1)

15.2 (2.0)

15.5 (2.2)

  1. Values shown are means (±SD). [N = 33].
  2. VO 2 oxygen consumption, VO 2max maximal oxygen consumption, HR heart rate, HRR heart rate reserve, RER respiratory exchange ratio.
  3. a(HR – rest HR)/(220 – age – rest HR) *100.