Journal of Sports Science and Medicine

Table 1. Mean ± SD (top row, shaded), median and range (bottom row, unshaded) of measured variables, displayed by sex and performance level. P values for pairwise comparisons are displayed with Cohen’s d effect size, and 95% confidence intervals of effect size below in brackets.

Outcome variable

Male

Female

Outcome

LOW

HIGH

Outcome

Final Lap

82.6 ± 9.4

65.6 ± 10.4

*p = .001, d = 1.82

74.9 ± 14.7

79.2 ± 10.0

*p = .047, d = .35

(84, 58-94)

(64, 51-84)

(.93, 2.7)

(76, 51-94)

(78, 60-93)

(-.36, 1.06)

4 mM·L^-1 Lap

64.1 ± 7.7

50.5 ± 9.7

*p = .001, d = 1.67

56.5 ± 10.5

61.8 ± 10.3

*p = .04, d = .52

(65, 45.6-82)

(47.6, 40-67)

(.79, 2.56)

(60, 40-69.2)

(65, 41-82)

(-.22, 1.27)

5 m Sprint (s)

0.93 ± .06

1.02 ± 0.03

*p = .001, d = 1.80

.97 ± .06

.95 ± .07

p = .39, d = .21

(.93, .82 – 1.03)

(1.01, 0.99-1.07)

(.88, 2.72)

(.96, .89-1.07)

(.97, .82-1.06)

(-.52, .94)

COD (s)

9.21 ± .57

10.46 ± 0.68

*p = .001, d = 2.13

9.83 ± 0.84

9.36 ± .79

*p = .028, d = .60

(9.24, 8.23-10.05)

(10.32, 9.38-11.20)

(1.16, 3.11)

(9.85, 8.67-11.20)

(9.39, 8.23-11.05)

(-.15, 1.34)

RSA total
time (s)

221.0 ± 11.0

250.6 ± 12.6

*p = .001, d = 2.69

231.2 ± 18.9

229.1 ± 17.4

p = .287, d = .12

(223, 199-241)

(252, 235-270)

(1.63, 3.76)

(230, 199-270)

(226, 207-262)

(-.61, .85)

RSA Fatigue
Index (%)

4.2 ± 1.7

5.7 ± 2.2

p = .730, d = 1.04

4.5 ± 1.5

4.9 ± 2.3

p = .975, d = .00

(4, 1.3-7.3)

(6, 2-8.2)

(0, 1.63)

(5, 2.4 – 8.0)

(5, 1.3-8.2)

(-.56, .9)

Sum of 7
skinfolds (mm)

53.1 ± 16.5

94.7 ± 22.2

*p = .001, d = 2.35

66.0 ± 28.5

66.1 ± 25.5

p = .67, d = .00

(48, 30.8-99.4)

(106.7, 55.4-116.5)

(1.34, 3.35)

(60.6, 30.8-116.5)

(59.8, 39.1-110.1)

(-.73, .73)

Calf girth
(cm)

36.5 ± 2.0

34.9 ± 1.0

p = .059, d = .92

36.1 ± 2.2

35.9 ± 1.7

p = .626, d = .14

(36.1, 34.4-40.7)

(34.9, 33.5-36.4)

(1.73, 3.91)

(35.2, 33.5-40.1)

(35.7, 33.9-40.7)

(-.73, 1.01)

Thigh girth (cm)

53.7 ± 2.6

52.3 ± 2.2

p = .186, d = .60

52.5 ± 3.2

53.7 ± 2.0

p = .057, d = .51

(53.7, 50.2-59.6)

(51.9, 49.1-54.9)

(-.49, 1.09)

(51.4, 50.2-59.6)

(54.0, 49.1-56.6)

(-.38, 1.39)

Squat jump (cm)

37.1 ± 7.2

32.6 ± 3.7

p = .175, d = .92

33.7 ± 6.8

37.1 ± 6.3

p = .145, d = .60

(34.7, 27.1-47.6)

(32.2, 28.3-37.5)

(-.02, 1.86)

(31.7, 27.1-46.9)

(35.8, 27.3-47.6)

(-.37, 1.49)

Countermovement jump (cm)

40.2 ± 8.1

36.7 ± 5

p = .346, d = .60

37.5 ± 7.9

40.3 ± 7

p = .145, d = .40

(41.7, 30.2-52.6)

(37.4, 31.1-41.7)

(-.32, 1.52)

(33.6, 30.9-52.6)

(41.3, 30.2-51.5)

(-.53, 1.31)