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Acta Medica Iranica، جلد ۴۹، شماره ۴، صفحات ۲۲۵-۲۳۲
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عنوان انگلیسی Temperature Changes During and after Eccentric Contractions and its Effect on Force and Desmin Loss in Rat
چکیده انگلیسی مقاله The typical features of eccentric exercise-induced muscle damage is prolonged loss of muscle strength and the most rapid structural change in the fibers is loss of immunostaining for the intermediate filament protein, desmin. In this study isolated perfused rat muscle was used to examine the direct effect of temperature changes on the eccentric contraction-induced force and desmin loss. The left medial gastrocnemius muscle was separated and the entire lower limb was transferred into a prewarmed (35oC) organ bath. Temperature was adjusted to 31 or 39oC during and after eccentric contractions. Maximal isometric force and desmin loss were measured after 15 isometric or eccentric contractions. According to our data, organ bath temperature changes during or after eccentric contractions had no significant effect on force loss. However, a strong correlation between desmin loss and temperature changes during (r = 0.886, P< 0.05) and a weak correlation between desmin loss and temperature changes after (r= 0.699, P
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نویسندگان مقاله بهنوش وثاقی قراملکی | behnoosh vasaghi gharamaleki
department of rehabilitation basic sciences, school of rehabilitation, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

منصور کشاورز | mansoor keshavarz
department of physiology, school of medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

شهریار غریب زاده | shahryar gharibzadeh
neuromuscular system laboratory, school of biomedical engineering, amirkabir university of technology, tehran, iran.

سازمان اصلی تایید شده: دانشگاه صنعتی امیرکبیر (Amirkabir university of technology)

مسعود ستوده | masoud sotodeh
department of pathology, shariati hospital, school of medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

حمیدرضا مروی | hamidreza marvi
mechanical engineering schools, sharif university of tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

جواد جواد | javad mosayebnejad
iran university of science amp;amp; technology, tehran, iran.


اسماعیل ابراهیمی تکامجانی | ismail ebrahimi takamjani
department of physiotherapy, school of rehabilitation, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نشانی اینترنتی http://acta.tums.ac.ir/index.php/acta/article/view/3728
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