|Title:||Effect of high-intensity running in rectus femoris muscle fiber in rats||Authors:||Díaz-Herrera, Pilar
García-Castellano, José M.
Morcuende, José A.
|UNESCO Clasification:||241106 Fisiología del ejercicio||Keywords:||Weight-Lifting Exercise
|Issue Date:||2001||Publisher:||0736-0266||Journal:||Journal of Orthopaedic Research||Abstract:||The effect of a 12‐week high‐intensity intermittent exercise program on fiber type composition and the oxidative capacity of rectus femoris skeletal muscle from 20 male Wistar rats (Trained, n = 10; Sedentary, n = 10) was histochemically determined. The training exercise program was developed in a motorized treadmill. It consisted of four running bouts of 2 min duration at 48 m/min, alternated with recovery intervals of 4 min. Training increased relative cross‐sectional area of oxidative fibers (I, IIA, IIX) and decreased the same parameter in type IIB non‐oxidative fibers (P < 0.001). Our results suggest that this type of strength exercise program is enough to induce changes in muscle fiber composition. This opens a possibility to use this kind of exercise in preventing and treating muscle atrophy. © 2001 Orthopaedic Research Society. Published by Elsevier Science Ltd. All rights reserved.||URI:||http://hdl.handle.net/10553/50988||ISSN:||0736-0266||DOI:||10.1016/S0736-0266(00)00031-0||Source:||Journal Of Orthopaedic Research[ISSN 0736-0266],v. 19 (2), p. 229-232|
|Appears in Collections:||Artículos|
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