Trunk muscle activation during sub-maximal extension efforts

Allison, 2001, Trunk muscle fatigue during a back extension task in standing, Manual Therapy, 6, 221, 10.1054/math.2001.0412 Biering-Sørensen, 1983, A prospective study of low back pain in a general population, Scandinavian Journal of Rehabilitation Medicine, 15, 71, 10.2340/165019771983157179 Bonato, 2003, Muscle fatigue and fatigue-related biomechanical changes during a cyclic lifting task, Spine, 28, 1810, 10.1097/01.BRS.0000087500.70575.45 Cholewicki, 1999, Intra-abdominal pressure mechanism for stabilizing the lumbar spine, Journal of Biomechanics, 32, 13, 10.1016/S0021-9290(98)00129-8 Chow, 2004, Postural and trunk muscle response to sudden release during stoop lifting tasks before and after fatigue of the trunk erector muscles, Ergonomics, 47, 607, 10.1080/0014013031000151659 Clark, 2003, Derecruitment of the lumbar musculature with fatiguing trunk extension exercise, Spine, 28, 282, 10.1097/01.BRS.0000042227.06526.A2 Clark, 2003, Gender differences in skeletal muscle fatigability are related to contraction type and EMG spectral compression, Journal of Applied Physiology, 94, 2263, 10.1152/japplphysiol.00926.2002 Cresswell, 1992, Observations on intra-abdominal pressure and patterns of abdominal intra-muscular activity in man, Acta Physiologica Scandandinavica, 144, 409, 10.1111/j.1748-1716.1992.tb09314.x Dolan, 1998, Repetitive lifting tasks fatigue the back muscles and increase the bending moment acting upon the lumbar spine, Journal of Biomechanics, 31, 713, 10.1016/S0021-9290(98)00086-4 van Dieën, 1993, Trunk extensor endurance and its relationship to electromyogram parameters, European Journal of Applied Physiology, 66, 388, 10.1007/BF00599610 van Dieën, 1996, The influence of torque and velocity on erector spinae muscle fatigue and its relationship to changes of electromyogram spectral density, European Journal of Applied Physiology, 72, 310, 10.1007/BF00599690 van Dieën, 2003, Trunk muscle recruitment patterns in patients with low back pain enhance the stability of the lumbar spine, Spine, 28, 834, 10.1097/01.BRS.0000058939.51147.55 Elfving, 2007, Task dependency in back muscle fatigue – correlations between two test methods, Clinical Biomechanics, 22, 28, 10.1016/j.clinbiomech.2006.08.007 Essendrop, 2004, Intra-abdominal pressure and activation of abdominal muscles in highly trained participants during sudden heavy trunk loadings, Spine, 29, 2445, 10.1097/01.brs.0000143622.80004.bf Essendrop, 2002, Intra-abdominal pressure increases during exhausting back extension in humans, European Journal of Applied Physiology, 87, 167, 10.1007/s00421-002-0620-6 Gardner-Morse, 1998, The effects of abdominal muscle coactivation on lumbar spine stability, Spine, 23, 86, 10.1097/00007632-199801010-00019 Garland, 1988, Reduced voluntary electromyographic activity after fatiguing stimulation of human muscle, Journal of Physiology, 401, 547, 10.1113/jphysiol.1988.sp017178 Garland, 1990, Reflex inhibition of human soleus muscle during fatigue, Journal of Physiology, 429, 17, 10.1113/jphysiol.1990.sp018241 Granata, 2000, Joint angular velocity in spastic gait and the influence of muscle-tendon lengthening, The Journal of Bone and Joint Surgery, 82, 174, 10.2106/00004623-200002000-00003 Granata, 2001, Response of trunk muscle coactivation to changes in spinal stability, Journal of Biomechanics, 34, 1117, 10.1016/S0021-9290(01)00081-1 Hodges, 2005, Intra-abdominal pressure increases stiffness in the lumbar spine, Journal of Biomechanics, 38, 1873, 10.1016/j.jbiomech.2004.08.016 Jorgensen, 2003, Effect of torso flexion on the lumbar torso extensor muscle sagittal plane moment arms, The Spine Journal, 3, 363, 10.1016/S1529-9430(03)00140-2 Kingma, 2004, Lifting over an obstacle: effects of one-handed lifting and hand support on trunk kinematics and low back loading, Journal of Biomechanics, 37, 249, 10.1016/S0021-9290(03)00248-3 Lavender, 1992, Trunk muscle cocontraction: the effects of moment direction and moment magnitude, Journal of Orthopaedic Research, 10, 691, 10.1002/jor.1100100511 Mannion, 1994, Electromyographic median frequency changes during isometric contraction of the back extensor muscles to fatigue, Spine, 19, 1223, 10.1097/00007632-199405310-00006 Mannion, 1998, The influence of muscle fiber size and type distribution on electromyographic measures of back muscle fatigability, Spine, 23, 576, 10.1097/00007632-199803010-00010 McGill, 1990, Relationship between intra-abdominal pressure and trunk EMG, Clinical Biomechanics, 5, 59, 10.1016/0268-0033(90)90039-9 Nordin, 1984, Measurements of trunk movement during work, Spine, 9, 465, 10.1097/00007632-198407000-00008 Ng, 1996, Reliability of electromyographic power spectral analysis of back muscle endurance in healthy subjects, Archives of Physical Medicine and Rehabilitation, 77, 259, 10.1016/S0003-9993(96)90108-2 Oddson, 1990, Task specificity in the control of intrinsic trunk muscles in man, Acta Physiologica Scandandinavica, 139, 123, 10.1111/j.1748-1716.1990.tb08904.x Olson, 2006, Flexion-relaxation response to gravity, Journal of Biomechanics, 39, 2545, 10.1016/j.jbiomech.2005.09.009 Petrofsky, 1980, Frequency analysis of the surface electromyogram during sustained isometric contraction, European Journal of Applied Physiology, 43, 173, 10.1007/BF00422448 Potvin, 1998, Trunk muscle co-contraction increased during fatiguing, isometric, lateral bend exertions: possible implications for spinal stability, Spine, 23, 774, 10.1097/00007632-199804010-00006 Schultz, 1985, Quantitative studies of the flexion-relaxation phenomenon in the back muscles, Journal of Orthopaedic Research, 3, 189, 10.1002/jor.1100030208 Silfies, 2005, Trunk muscle recruitment patterns in specific chronic low back pain populations, Clinical Biomechanics, 20, 465, 10.1016/j.clinbiomech.2005.01.007 Sparto, 1997, The effect of fatigue on multijoint kinematics and load sharing during a repetitive lifting task, Spine, 22, 2647, 10.1097/00007632-199711150-00013 Svensson, 1989, The relationship of low-back pain, work history, work environment, and stress: a retrospective cross-sectional study of 38- to 64-year-old women, Spine, 14, 517, 10.1097/00007632-198905000-00008 Tan, 1993, Isometric maximal and submaximal trunk extension at different flexed positions in standing: triaxial torque output and EMG, Spine, 18, 2480, 10.1097/00007632-199312000-00018 Tveit, 1994, Erector spinae lever arm length variations with changes in spinal curvature, Spine, 19, 199, 10.1097/00007632-199401001-00015