Immediate effects of real-time postural biofeedback on spinal posture,muscle activity,and perceived pain severity in adults with neck pain |
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| Affiliation: | 1. School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei, Taiwan, ROC;2. Department of Physical Medicine & Rehabilitation, Chang Gung Memorial Hospital at Linkou and College of Medicine, Chang Gung University, Taoyuan, Taiwan, ROC;3. Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran;4. Department of Physical Therapy, College of Medicine, National Cheng Kung University, Taiwan, ROC;5. Graduate Institute of Biomedical Engineering, National Chung Hsing University, Taichung, Taiwan, ROC;6. School of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan, ROC;7. Bone and Joint Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan, ROC;8. Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan, ROC |
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| Abstract: | BackgroundPrevious studies have investigated various types of postural biofeedback devices on different body regions to improve posture; however, they focused only on healthy adults without a history of chronic musculoskeletal disorders. In addition, those postural biofeedback devices used in previous studies are often designed for experimental research. The designs are usually bulky with many wires, which is not practical for everyday use.Research questionThe aim of this study was to determine the immediate effect of a commercially available real-time postural biofeedback device on spinal posture, muscle activity, and perceived pain severity in adults with neck pain.Methods21 adults who had chronic or recurrent nonspecific neck pain for more than 3 months and whose pain was induced or aggravated by prolonged computer work were enrolled in this study. Spinal posture (head tilt, neck flexion, cervical and thoracic angles), muscle activity (cervical erector spinae, upper trapezius, and thoracic erector spinae), and self-reported neck and shoulder pain were measured during computer typing tasks, with and without biofeedback.ResultsCompared with the non-biofeedback condition, the biofeedback condition significantly decreased neck flexion, upper cervical, and lower thoracic angles and lowered the activity of the cervical erector spinae. Self-reported neck pain was not influenced by the application of biofeedback, but significantly increased over the 1-hour typing task.SignificanceThe application of a commercially available wearable real-time biofeedback device improves sitting posture and reduces muscular activity in adults with nonspecific neck pain during computer work. Future studies should examine the long-term effects of wearable real-time postural biofeedback devices for prevention and management of neck pain. |
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| Keywords: | Wearable electronic devices Posture Electromyography Neck pain |
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