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Physical Treatments، جلد ۶، شماره ۲، صفحات ۰-۰
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی The Investigation of the Lifting Speed on Lumber Muscles Activitiesy
چکیده انگلیسی مقاله Background and aims: Low back pain is one of the most common musculoskeletal disorders, and lifting is one of its risk factors. The activity of lumbar muscles as the main muscles involved in lifting is important with regard to identification of the allowable limits and the injury mechanisms as well as the motor control aspects. This study aimed to investigate the effect of the lifting speed on the lumbar muscles activities during the lifting of the light loads by squat method. Methods: In this study, 27 healthy men were tested using electromyography (EMG). The data were collected from the erector spinae and the multifidus muscles. The signal processing was performed using MATLAB software after normalization to MVC and the statistical analysis was performed with SPSS 16. Results: The muscles activities at fast, medium, and slow speeds were not statistically significantly different (P>0.05), however, the difference between the numerical values of muscles activities at low and high speeds were clearly visible in the diagram. The highest activity was observed in multifidus muscles and then in erector spinae muscles. Conclusion: The results indicated that the lifting speed does not have significant effect on the activity of lumbar muscles during the lifting of light loads, but it should be noted that it can be a risk factor in the long term for individuals who are lifting a lot of loads in a day.
کلیدواژه‌های انگلیسی مقاله Lifting, Squat, Electromyography, Lumbar spine, Speed
نویسندگان مقاله سیاوش اعتمادی نژاد | siavash etemadinejad
, mazandaran university of medical science , sari , iran

سازمان اصلی تایید شده: دانشگاه مازندران (Mazandaran university)

فرهاد طباطبایی قمشه | farhad tabatabai ghomshe
university of social welfare and rehabilitation science , tehran , iran


محمد حسین سرایانی بافقی | mohammad hossein sorayani bafghi
, mazandaran university of medical science , sari , iran

سازمان اصلی تایید شده: دانشگاه مازندران (Mazandaran university)

جمشید یزدانی چراتی | jamshid yazdani charati
, mazandaran university of medical science , sari , iran

سازمان اصلی تایید شده: دانشگاه مازندران (Mazandaran university)

نشانی اینترنتی http://ptj.uswr.ac.ir/browse.php?a_code=A-10-311-1&slc_lang=en&sid=en
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده پژوهشی
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