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 |