نتایج جستجو برای: back pressure

تعداد نتایج: 556702  

Journal: :IOP Conference Series: Earth and Environmental Science 2017

Journal: :AEU - International Journal of Electronics and Communications 2010

Journal: :IOP Conference Series: Earth and Environmental Science 2018

آذغانی, محمود رضا, پرنیانپور, محمد, کاظم نژاد, انوشیروان, کهریزی, صدیقه, ارشاد, ندا ,

  Background : Epidemiological studies showed that low back pain after load-carrying and holding is the most common disorder in industrialized countries and cause of dysfunction and economic problems. Variable dynamic loads impose varying moments about the intervertebral joints and cause a threat to balance. The aim of the present study was to compare the postural stability while holding dynami...

Journal: :BMC Musculoskeletal Disorders 2009
Mohsen Makhsous Fang Lin James Bankard Ronald W Hendrix Matthew Hepler Joel Press

BACKGROUND Compared to standing posture, sitting decreases lumbar lordosis, increases low back muscle activity, disc pressure, and pressure on the ischium, which are associated with occupational LBP. A sitting device that reduces spinal load and low back muscle activities may help increase sitting comfort and reduce LBP risk. The objective of this study is to investigate the biomechanical effec...

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