Trunk loading and expectation.

نویسندگان

  • W S Marras
  • S L Rangarajulu
  • S A Lavender
چکیده

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Changes in postural and trunk muscles responses in patients with chronic nonspecific low back pain during sudden upper limb loading

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Background and Objectives: Lower back pain is a common orthopedic illness that has a reasonable relationship to pronated foot. The aim of this study was to determine the effects of resistance training with Thera-Band on the electromyography frequency domain of trunk and lower limb muscles of patients with both low back pain and pronated feet during walking. Materials and Methods: This clinical...

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Trunk kinematics and trunk muscle activity during a rapidly applied load.

This study investigated the trunk kinematics and electromyographic (EMG) activity of eight trunk muscles when "expected" and "unexpected" loads were applied directly to the torso. Twenty individuals (mean age: 25.1 yr; range 20-33 yr) participated in this mixed model study in which gender was the between-subjects factor, and expectancy and symmetry of the applied load were within-subject factor...

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STUDY DESIGN Cross-sectional design. OBJECTIVE To compare lumbar multifidus electromyographic activity (EMG) during predictable and unpredictable trunk loading between people with and without recurrent unilateral low back pain (LBP) during symptom remission. SUMMARY OF BACKGROUND DATA Unpredictable loading is a common injury mechanism for LBP. Paraspinal muscle responses to trunk loading di...

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عنوان ژورنال:
  • Ergonomics

دوره 30 3  شماره 

صفحات  -

تاریخ انتشار 1987