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Basic and Clinical Neuroscience، جلد ۴، شماره ۳، صفحات ۲۰۹-۲۱۶
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| عنوان انگلیسی |
Corticospinal Facilitation of Erector Spinae and Rectus Abdominis Muscles During Graded Voluntary Contractions is Task Speci.c: A Pilot Study on Healthy Individuals |
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| چکیده انگلیسی مقاله |
Introduction: In this study we compared transcranial magnetic stimulation (TMS) elicited motor evoked potentials (MEPs) in a postural (bilateral low back extension: BLBE) and a respiratory (forced expiration during breath holding: FEBH) task.Methods: Using TMS of the left motor cortex, simultaneous patterns of corticospinal facilitation of the contralateral erector spinae (ES) and rectus abdominis (RA) muscles during graded voluntary activation were compared in seven healthy subjects. Result: The facilitation pattern demonstrated task dependency by showing that MEP amplitudes in the ES muscle tended to be smaller at any given contraction level in the FEBH task than in the BLBE task. Discussion: The results suggested a linear-type relationship between the size of MEPs with increasing background contraction of ES and RA in the BLBE task. However, both muscles showed a plateau effect with higher background contractions (>50% of maximum) during the FEBH task. The varied response of ES and RA across these two tasks reinforces the importance of task speci.c training in clinical settings. |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
شاپور جابرزاده | shapour jaberzadeh
مریم ذوقی | maryam zoghi
prue مرگان | prue morgan
میکاییل storr | michael storr
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| نشانی اینترنتی |
http://bcn.iums.ac.ir/browse.php?a_code=A-10-1-165&slc_lang=en&sid=en |
| فایل مقاله |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
Cellular and molecular Neuroscience |
| نوع مقاله منتشر شده |
Original |
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