Table 3 Mean values of the study variables at specified time points under 3 different stimulation conditions (n₌ 15)

Peak Power _(Watt)

788.8

(175.9)

747.3

(123.2)

631.5

(97.1)

795.6

(180.8)

746.3

(152.4)

707.5

(152.4)

791.3

(182.9)

754.5

(190.6)

637.9

(158.8)

Mean Power _(Watt)

546.3

(102.5)

506.9

(61.7)

445.4

(47.1)

565.3

(98.2)

506.1

(84)

477.1

(78.2)

568.7

(102)

507.2

(71.9)

437.4

(66.4)

Fatigue Index _(%)

59.74

(10.4)

60.6

(8.5)

63.0

(10.5)

56.7

(11.0)

60.7

(11.6)

61.6

(9.6)

57.9

(10.8)

62.5

(10.8)

69.0

(8.1)

Heart Rarte _{(Beats Per Min)}

162.4

(7.1)

167.8

(6.3)

177.8

(4.2)

159.5

(9.0)

166.2

(9.5)

173.8

(9.0)

163.0

(9.0)

170.5

(8.9)

179.8

(4.9)

RPE _{(0−100, Borg Scale)}

63.6

(15.0)

81.33

(14.5)

97.3

(13.6)

53.6

(16.7)

73.7

(19.9)

87.0

(19.5)

61.3

(15.1)

80.6

(18.5)

99.3

(10.4)

EMG of VL _{(% of MIVC)}

49.0

(19.2)

46.4

(19.9)

45.2

(20.7)

57.9

(14.2)

57.8

(16.9)

54.3

(16.9)

44.9

(13.4)

41.1

(10.7)

38.2

(11.3)

EMG of VM _{(% of MIVC)}

59.44

(24.3)

57.2

(23.6)

52.7

(21.6)

69.8

(23.8)

66.2

(21.7)

61.5

(15.6)

58.4

(23.5)

56.5

(24.4)

49.7

(19.1)

EMG of RF _{(% of MIVC)}

33.4

(17.6)

29.1

(14.0)

29.0

(14.4)

40.3

(14.4)

36.1

(13.7)

32.8

(12.6)

33.1

(13.4)

30.3

(12.7)

28.4

(13.1)

Affective Valence _{(−5 to +5, Feeling Scale)}

2.86

(2.0)

1.66

(1.9)

0.73

(1.6)

2.73

(1.6)

1.6

(2.4)

0.93

(2.4)

2.53

(1.5)

1.0

(1.3)

− 0.6

(1.6)

Arousal _{(1 to 6, Felt Arousal Scale)}

4.53

(1.1)

3.66

(1.0)

3.0

(0.9)

4.6

(1.2)

3.66

(1.1)

2.93

(1.2)

4.4

(1.5)

3.6

(1.3)

2.4

(0.9)

Baseline

Post

Baseline

Post

Baseline

Post

CWST _{(IG score)}

3.76

(10.2)

8.58

(8.7)

4.73

(9.5)

12.49

(10.7)

4.92

(11.0)

5.02

(11.1)

CRT _{(Milliseconds)}

414.6

(55.1)

399.3

(42.8)

407.3

(59.4)

404.0

(55.5)

410.0

(49.2)

426.8

(51.2)