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Table 2 Cervical angulation during logroll

From: Does turning trauma patients with an unstable spinal injury from the supine to a lateral position increase the risk of neurological deterioration? – A systematic review

Outcome Study Mean (SD) Median Range of means
Flexion/extension 8 studies   5.5 2.8 - 11.9  
(Degrees) Conrad 2007 [23] 7.3 (5.8)    
  Del Rossi 2004 [24] 2.8 (1.5)    
   3.1 (0.6)    
   3.4 (0.8)    
  Del Rossi 2004 [25] 3.9 (2.4)    
  Del Rossi 2008 [26] 5.5 (0.6)    
  Del Rossi 2010 [27] 6.0    
  Horodyski 2011 [28] 3.6 (2.3)    
  Prasarn 2012 [29] 11.9 (5.0)    
   9.1 (1.9)    
  Rechtine 2007 [30] 6.7    
Lateral bending 7 studies   4.0 1.6 - 9.2  
(Degrees) Conrad 2007 [23] 9.2 (7.2)    
  Del Rossi 2004 [24] 2.3 (1.1)    
   1.6 (0.7)    
   1.8 (0.7)    
  Del Rossi 2008 [26] 7.5 (0.7)    
  Del Rossi 2010 [27] 3.8    
  Horodyski 2011 [28] 3.3 (1.7)    
  Prasarn 2012 [29] 8.7 (1.9)    
   6.7 (1.8)    
  Rechtine 2007 [30] 4.1    
Axial rotation 7 studies   6.3 2.4 - 7.9  
(Degrees) Conrad 2007 [23] 7.9 (9.1)    
  Del Rossi 2004 [24] 6.1 (1.1)    
   6.4 (1.4)    
   7.1 (1.3)    
  Del Rossi 2008 [26] 7.2 (0.7)    
  Del Rossi 2010 [27] 3.1    
  Horodyski 2011 [28] 3.3 (1.9)    
  Prasarn 2012 [29] 7.5 (2.7)    
   5.8 (3.2)    
  Rechtine 2007 [30] 2.4    
  1. Shows data from cadaver studies with artificially induced unstable cervical spine injuries. The standard deviation is shown for the studies in which it was reported. We report the medians of the means reported in the different studies and the range of these means. Del Rossi (2004) reported data from three different cervical collars, and Prasarn (2012) reported data for logrolls onto and off a backboard