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Table 1 Posterior translation and external rotation of the femur relative to the tibia

From: Differences in the flexion and extension phases during kneeling investigated by kinematic and contact point analyses: a cross-sectional study

Knee flexion angle (°)

n (knees)

Posterior translation (mm)

External rotation (°)

Flexion phase

(SD)

Extension phase

 

Flexion phase

(SD)

Extension phase

(SD)

100

11

− 5.6

(3.2)

− 4.5**

(3.0)

− 0.6

(5.0)

11.8**

(6.7)

105

13

− 3.7

(3.1)

− 2.7**

(3.2)

1.0

(6.8)

13.8**

(6.5)

110

14

− 1.5

(3.1)

− 0.5**

(3.5)

2.4

(7.3)

15.2**

(6.2)

115

15

1.2

(3.7)

2.1*

(4.3)

2.8

(7.5)

16.9**

(6.4)

120

15

3.6

(3.8)

4.3*

(4.6)

4.2

(7.7)

18.1**

(6.4)

125

15

6.2

(4.1)

6.6

(4.7)

5.8

(7.4)

19.0**

(6.3)

130

15

8.9

(4.2)

9.1

(4.6)

7.7

(6.7)

19.6**

(6.3)

135

15

11.7

(4.2)

11.9

(4.5)

10.1

(5.8)

20.0**

(6.4)

140

15

14.8

(4.1)

14.9

(4.4)

12.5

(4.9)

20.1**

(6.6)

145

15

18.2

(4.1)

18.4

(4.3)

14.9

(4.6)

20.4**

(6.7)

150

15

22.1

(4.2)

22.2

(4.3)

16.6

(4.9)

20.5**

(6.5)

155

12

26.2

(4.7)

26.1

(4.6)

18.5

(5.2)

22.3*

(5.4)

Maxflex

12

31.9

(5.5)

31.9

(5.5)

19.2

(5.0)

19.2

(5.0)

Range

 

37.5

 

36.4

 

19.8

 

7.4

 
  1. Paired t-test; *P < 0.05, **P < 0.01
  2. SD, standard deviation; maxflex, maximum flexion
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X