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Table 1 Changes [%] of tROM of the fused condition and the state with TDR in relation to the intact situation

From: In vitro-analysis of kinematics and intradiscal pressures in cervical arthroplasty versus fusion – A biomechanical study in a sheep model with two semi-constrained prosthesis

tROM C2-5

Arthrodesis (group 1)

TDR Type D

 

Flexion-extension

Lateral bending

Axial rotation

Flexion-extension

Lateral bending

Axial rotation

Mean

−26.68

−22.06

−1.62

30.77

9.84

61.96

SD

6.20

7.93

23.76

16.15

14.35

43.11

tROM C2-5

Arthrodesis (group 2)

TDR Type A

 

Flexion-extension

Lateral bending

Axial rotation

Flexion-extension

Lateral bending

Axial rotation

Mean

−14.19

−13.95

3.08

22.05

−0.65

36.67

SD

13.26

14.03

20.74

19.93

15.07

35.44

  1. SD means standard deviation.