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Table 1 Maximal segmental flexion angle of this and other studies[1, 6, 9, 31], range of motion (RoM) of knee, hip, pelvic-lumbar and lumbar-thoracic rotations (in degree) in the sagittal plane as well as the RoM of the curvatures (1/m) of the lumbar and the thoracic spine

From: Kinetic and kinematic differences between deadlifts and goodmornings

     This study   Brown, 1985   Escamilla, 2001 Escamilla, 2000 McGuigan, 1996
    GM (25%) DL (25%) DL (50%) DL (269%) DL (197%) DL (181%) DL (289%) DL (254%)
Maximal segmental flexion angle knee [°] Mean 5.3 107.8* 103.4* 57.5 69.2 59.0 56.0 60.0
  SD 6.7 22.4 22.6 5.7 8.2 12.0 9.0 10.0
hip [°] Mean 75.3 103.2* 101.7* 110.9 115.9 124.0 108.0 113.0
  SD 9.2 4.8 6.0 5.1 5.0 8.0 21.0 5.0
pelvis-lumbar [°] Mean 23.8 27.4 25.7      
  SD 6.3 5.4 4.7      
lumbar-thoracic [°] Mean 0.9 2.3 5.0      
   SD 8.9 7.9 9.1      
Min segmental flexion angle pelvis-lumbar [°] Mean 7.0 6.4 6.8      
  SD 3.1 2.2 2.3      
lumbar-thoracic [°] Mean −8.1 −4.7 −3.2      
  SD 7.5 7.3 8.2      
ROM segmental sagittal-plane rotations knee [°] Mean 7.8 103.4* 99.7*      
  SD 5.5 23.1 21.7      
hip [°] Mean 58.4 90.4* 89.1*      
  SD 10.0 5.3 5.9      
pelvis-lumbar [°] Mean 16.8 21.1 18.9      
  SD 4.7 4.3 3.5      
lumbar-thoracic [°] Mean 8.9 7.1 8.1      
  SD 3.8 2.8 3.5      
ROM of the curvature of the spine lumbar [1/m] Mean 2.7 2.7 2.5      
  SD 1.3 1.2 0.9      
thoracic [1/m] Mean 0.9 0.6 0.6      
  SD 0.6 0.3 0.3      
  1. *: significantly different from GM.