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Table 2 Mean normalized moments and standard deviations (SD) (N*m/BW) in the sagittal plane about the knee, hip and L4/L5 region for the GM with 25% extra load, DL with 25% and 50% extra load, respectively and corresponding results from other studies[1, 6, 12, 15, 31]

From: Kinetic and kinematic differences between deadlifts and goodmornings

   This study Burnett, 2002 $ Escamilla, 2001 $ Escamilla, 2000 $ Cholewicki, 1991 $ Brown, 1985, $ Brown, 1985, $
Moment   GM (25%) [N*m/BW] DL (25%) [N*m/BW] DL (50%) [N*m/BW] GM (72%) [N*m/BW] RDL (133%) [N*m/BW] DL (181%) at LO [N*m/BW] DL (289%) at LO [N*m/BW] DL (259%) [N*m/BW] DL (269%) at LO [N*m/BW] DL (197%) at LO [N*m/BW]
Knee Mean −0.96 1.11* 1.14* - - 0.72 2.19 0.11 0.28 0.03
SD 0.21 0.39 0.45    1.02 1.91 0.08 - -
Hip Mean 1.63 1.40* 1.92*+ - - 4.86 7.80 4.44 2.76 2.18
SD 0.14 0.13 0.19    1.79 2.99 0.17 - -
L4/L5 Mean 2.75 2.81 3.77*+ 3.78 3.63    7.78 - -
SD 0.26 0.27 0.43 0.72 0.97 - - 0.25   
  1. *: significantly different from GM (25%).
  2. +: DL (50%) significantly different from DL (25%).
  3. RDL: Romanian deadlift.
  4. LO: Lift off.
  5. $: normalized to body weight and divided by 2 for the knee and hip.