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Table 6 Study results—asymmetries examined during a loading protocol/task

From: The Influence of Exercise-Induced Fatigue on Inter-Limb Asymmetries: a Systematic Review

Study

Parameter

t1

t2

t3

t4

t5

p

ES (d)

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

 

Bishop et al. [30]

Jump height

7.62

N/A

9.82

N/A

9.95

N/A

13.25

N/A

14.67

N/A

< 0.05

0.83

t1 vs. t4

< 0.05

1.16

t1 vs. t5

Hanley and Tucker [31]

Step length

0.42

0.39

0.51

0.46

0.53

0.42

0.53

0.45

0.54

0.39

> 0.05 for all variables

0.31*

t1 (1500 m) vs. t5 (9000 m)

Step frequency

0.58

0.52

0.56

0.36

0.55

0.49

0.56

0.53

0.59

0.46

0.02*

Contact time

0.42

0.35

0.33

0.20

0.36

0.22

0.45

0.34

0.46

0.34

0.11*

Flight time

1.16

0.92

1.14

0.75

1.25

1.03

1.40

1.20

1.29

1.10

0.14*

Impact force

1.97

1.47

2.87

1.52

2.74

2.10

2.65

2.23

2.77

2.37

0.54*

Maximum force

1.00

0.81

0.95

0.70

1.01

0.81

1.15

0.87

1.12

0.75

0.15*

Impulse

0.86

0.58

0.82

0.59

0.92

0.61

0.73

0.46

0.81

0.65

0.09*

Matthes and Wolf [33]

Leg stretcher force

Male

8.2

5.9

      

9.1

7.0

> 0.05

0.15*

60–90 s vs. 360–390 s (Female) / 60–90 s vs. 300–330 s (Male)

Female

24.9

19.8

      

28.3

19.5

0.023

0.17*

Girard et al. [20]

Performance and running kinetics, running kinematics, spring-mass characteristics

Only averaged asymmetry values over all 5 sets of sprints

> 0.05 for all variables

N/A

Could not be calculated

Hodges et al. [32]

absolute average vGRF asymmetry

Not stated

0.6

N/A

Could not be calculated

0.229

Jordan et al. [21]

Functional AI values

Not stated

0.76

N/A

Could not be calculated

Tucker and Hanley [34]

Step length, contact time, step frequency, vGRF data

Not stated

> 0.05 for all variables

N/A

Could not be calculated

  1. AI asymmetry index, ES effect size, N/A not available, t point of time, SD standard deviation, vGRF vertical ground reaction force
  2. *value was calculated afterwards by the authors