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The effect of temperature on eccentric contraction-induced isometric force loss in isolated perfused rat medial gastrocnemius muscle
, Article Tehran University Medical Journal ; Volume 66, Issue 6 , 2008 , Pages 388-395 ; 16831764 (ISSN) ; Keshavarz, M ; Gharibzadeh, S ; Marvi, H ; Mosayebnejad, J ; Ebrahimi Takamjani, E ; Sharif University of Technology
Tehran University of Medical Sciences
2008
Abstract
Background: The typical features of eccentric exercise-induced muscle damage are delayed-onset muscle soreness (DOMS) and prolonged loss of muscle strength. It has been shown that passive warmth is effective in reducing muscle injury. Due to the interaction of different systems in vivo, we used isolated perfused medial gastrocnemius skeletal muscle to study the direct effect of temperature on the eccentric contraction-induced force loss. Methods: After femoral artery cannulation of a rat, the left medial gastrocnemius muscle was separated and then the entire lower limb was transferred into a prewarmed (35oC) chamber. With the chamber temperature at 31, 35 and 39oC before and during eccentric...