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Table 2 Summary of kinematic data at initial contact (IC) and peak during weight acceptance (peak) for all subjects

From: The effect of foot landing position on biomechanical risk factors associated with anterior cruciate ligament injury

  

IC

Peak

Variable

Foot Position

Mean (°) ± SD

p

Mean (°) ± SD

p

Trunk Flexion Angle

Neutral

22.58 ± 7.08

 

35.26 ± 11.87

 
 

Toe-out

21.87 ± 7.10

0.544

34.25 ± 11.04

0.506

 

Toe-in

22.21 ± 7.70

0.864

35.63 ± 14.10

1.00

Trunk Lateral Sway Angle

Neutral

0.52 ± 3.00

 

2.19 ± 3.01

 
 

Toe-out

0.33 ± 2.71

0.900

2.44 ± 2.72

0.830

 

Toe-in

0.68 ± 3.95

0.990

2.68 ± 3.70

0.703

Hip Flexion Angle

Neutral

36.48 ± 6.52

 

74.24 ± 17.06

 
 

Toe-out

35.84 ± 7.18

0.941

74.93 ± 17.53

0.162

 

Toe-in

36.48 ± 7.57

0.581

70.26 ± 19.45

< 0.001*

Hip Adduction Angle

Neutral

-7.72 ± 3.87

 

-3.73 ± 3.02

 
 

Toe-out

-14.72 ± 3.77

< 0.001*

-13.69 ± 3.40

< 0.001*

 

Toe-in

-1.86 ± 4.66

< 0.001*

3.46 ± 3.89

< 0.001*

Knee Flexion Angle

Neutral

26.55 ± 5.23

 

90.44 ± 14.71

 
 

Toe-out

27.51 ± 5.57

0.362

92.69 ± 15.02

0.088

 

Toe-in

26.56 ± 5.90

0.986

88.22 ± 16.00

0.023*

Knee Abduction Angle

Neutral

-3.62 ± 3.80

 

7.68 ± 7.54

 
 

Toe-out

-6.09 ± 5.65

< 0.001*

4.84 ± 9.06

< 0.001*

 

Toe-in

0.84 ± 5.96

< 0.001*

10.00 ± 8.43

< 0.001*

Knee Internal Rotation Angle

Neutral

3.78 ± 6.35

 

15.11 ± 6.29

 
 

Toe-out

2.69 ± 7.48

< 0.001*

14.49 ± 7.55

< 0.001*

 

Toe-in

11.94 ± 5.24

< 0.001*

18.08 ± 4.59

< 0.001*

Knee External Rotation Angle

Neutral

  

-3.03 ± 4.22

 
 

Toe-out

  

3.08 ± 5.01

0.271

 

Toe-in

  

-10.07 ± 1.54

< 0.001*

Ankle Dorsiflexion Angle

Neutral

-18.25 ± 13.35

 

20.95 ± 4.26

 
 

Toe-out

-19.10 ± 13.74

0.852

18.43 ± 5.18

< 0.001*

 

Toe-in

-17.56 ± 12.06

0.977

23.87 ± 4.52

< 0.001*

Foot Pronation Angle

Neutral

1.90 ± 5.04

 

12.53 ± 3.76

 
 

Toe-out

2.78 ± 6.91

0.026*

13.78 ± 3.52

0.108

 

Toe-in

-5.52 ± 6.64

< 0.001*

1.36 ± 6.83

< 0.001*

  1. p-values represent Tukey post-hoc comparisons to neutral foot landing position (95 % family-wise confidence level). *denotes statistical significance