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Table 3 Agreement data for heart rates, RPE scores and lactate concentrations obtained during a repeated (9 × 30 s) figure-of-eight sprint test with varying rest periods.* †‡

From: Attentional and visual demands for sprint performance in non-fatigued and fatigued conditions: reliability of a repeated sprint test

  

Test

Retest

Mean difference

95% CL

Heart rates

    

Base measurement

P

76.9 (10.9)

79.9 (15.5)

-3.0

-13.4 - 7.4

 

NFC

151.6 (10.1)

144.5 (16.9)

7.1

-0.4 - 14.5

 

FC

186.9 (7.2)

184.1 (9.9)

2.8

-0.3 - 5.9

Attention-demanding task

P

80.3 (17.2)

78.8 (10.9)

1.5

-8.5 - 11.5

 

NFC

145.6 (3.8)

142.8 (14.9)

2.8

-1.5 - 7.1

 

FC

186.4 (9.2)

184.6 (8.4)

1.7

-1.0 - 4.4

Restricted vision

P

78.5 (11.4)

79.6 (9.9)

-1.1

-10.3 - 7.8

 

NFC

148.2 (13.5)

141.3 (18.3)

6.9

-0.3 - 14.2

 

FC

185.1 (7.6)

183.6 (8.1)

1.5

-0.2 - 3.1

RPE scores

    

Base measurement

P

8.3 (2.1)

8.0 (2.3)

0.3

-1.0 - 1.6

 

NFC

13.2 (1.7)

12.6 (1.6)

0.6

-0.3 - 1.5

 

FC

16.7 (1.6)

16.5 (1.4)

0.2

-0.2 - 0.6

Attention-demanding task

P

8.0 (2.4)

8.1 (2.3)

-0.1

-1.1 - 0.9

 

NFC

11.8 (1.5)

12.1 (1.9)

-0.2

-1.4 - 1.0

 

FC

15.2 (1.5)

15.8 (1.7)

-0.7

-1.6 - 0.2

Restricted vision

P

7.9 (2.1)

8.3 (2.4)

-0.4

-1.1 - 0.3

 

NFC

12.5 (1.8)

12.6 (1.9)

-0.1

-1.0 - 0.9

 

FC

15.7 (1.7)

16.2 (1.3)

-0.5

-1.3 - 0.3

Lactate concentrations

    

Base measurement

P

2.1 (1.3)

1.7 (0.6)

0.2

-0.1 - 0.4

 

NFC

7.3 (1.8)

6.6 (2.5)

0.4

-0.4 - 1.1

 

FC

10.3 (2.7)

9.8 (2.2)

0.2

-0.0 - 0.6

Attention-demanding task

P

1.9 (0.9)

1.9 (1.0)

-0.0

-0.3 - 0.3

 

NFC

6.4 (2.0)

6.1 (1.5)

0.2

-0.4 - 0.7

 

FC

9.5 (3.8)

8.4 (2.1)

0.6

-3.4 - 4.5

Restricted vision

P

1.8 (0.5)

1.5 (0.4)

0.1

-0.0 - 0.3

 

NFC

6.1 (2.1)

5.8 (1.3)

0.2

-0.3 - 0.7

 

FC

9.4 (2.8)

8.8 (1.8)

0.3

-0.1- 0.7

  1. * 95% CL, 95% confidence limits; P, pre-test assessment; NFC, assessment at sprint 3; FC, assessment at the end of the sprint test.
  2. † Heart rates are expressed in beats·min-1 and lactate concentrations as mmol·L-1.
  3. ‡ Values in parentheses are standard deviations.