Table 3 Brown assessment of methodological quality

1

Power analysis was performed and justification of study sample size

0

0

1

2

0

2

2

2

2

2

2

2

2

0

2

0

2

2

Athlete demographics were clearly defined: gender, age, body height, and body mass at time of test

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

3

Athlete characteristics were clearly defined: sport, experience or activity level and level of play

2

2

1

1

2

0

2

2

1

2

2

2

1

2

2

2

1

4

Inclusion and exclusion criteria were clearly stated for athletes

0

0

0

2

0

2

2

2

2

2

2

2

2

2

2

2

2

5

Proper training and practice trials of the test were given to the athletes allowing for adequate familiarisation

2

2

2

0

2

0

0

0

2

2

2

2

2

2

0

0

1

6

Methods were described in great detail to allow replication of the test. Testing devices, n of trials, n and duration of rest, speed, angle of COD

2

2

1

1

2

1

1

1

1

1

2

1

2

1

1

1

1

7

Test–retest reliability of measurement device reported

0

1

0

0

0

0

0

0

1

0

0

0

0

2

0

0

0

8

Outcome variables clearly defined

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

1

9

Statistical analyses were appropriate

2

2

1

1

1

2

2

2

2

1

2

2

1

2

1

1

1

Total score (maximum 18)

12

13

10

11

12

11

12

13

15

15

16

15

14

15

11

10

10

Score as %

67%

72%

56%

61%

67%

61%

67%

72%

83%

83%

89%

83%

78%

83%

61%

56%

56%