Table 2 Respiratory gas exchange measurements, and calculated fat and glucose utilisation, between FTO rs9939609 genotypes after isocaloric HI (80% VO_2peak) and LO (40% VO_2peak) intensity exercise

 Workload (W)

127.6 ± 13.1

126.0 ± 7.5

113.9 ± 7.6

 T.I (min:sec)

36:45 ± 2:00

39:29 ± 3:07

41:21 ± 3:02

 Av. VO₂ (ml.kgbw.min⁻¹)

29.0 ± 1.4

28.7 ± 2.1

27.0 ± 1.7

 Av. RER

0.96 ± 0.07

0.99 ± 0.02

0.96 ± 0.01

 RER AUC

62.7 ± 4.4

58.9 ± 5.8

71.9 ± 5.0

 Fat utilisation (g.kgLBM^− 1.T.I^− 1)

0.12 ± 0.04

0.10 ± 0.04

0.14 ± 0.03

 Glucose utilisation (g.kgLBM^− 1.T.I^− 1)

1.58 ± 0.13

1.68 ± 0.04

1.69 ± 0.12

 Fat utilisation (%)

14.5 ± 4.5

10.2 ± 3.8

15.8 ± 3.2

 Glucose utilisation (%)

85.5 ± 4.5

89.8 ± 3.8

84.2 ± 3.2

 Workload (W)

63.8 ± 6.6

62.9 ± 7.5

57.1 ± 7.6

 T.I (min:sec)

54:28 ± 2:58

57:59 ± 4:06

61:04 ± 4:19

 Av. VO₂ (ml.kgbw.min^− 1)

20.0 ± 0.7

21.3 ± 1.2

19.0 ± 0.9

 Av. RER

0.89 ± 0.01

0.91 ± 0.02

0.90 ± 0.01

 RER AUC

82.6 ± 3.4

77.8 ± 6.5

86.4 ± 6.5

 Fat utilisation (g.kgLBM^− 1.T.I^− 1)

0.31 ± 0.04

0.24 ± 0.05

0.32 ± 0.05

 Glucose utilisation (g.kgLBM^− 1.T.I^− 1)

1.15 ± 0.08

1.33 ± 0.08

1.29 ± 0.10

 Fat utilisation (%)

36.6 ± 4.0

30.1 ± 5.6

34.5 ± 4.3

 Glucose utilisation (%)

56.4 ± 5.5

69.9 ± 5.6

57.2 ± 6.2