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Nicastro,H.; Zanchi,N.E.; da Luz,C.R.; Lancha Jr.,A.H.. |
Abstract The reduction of skeletal muscle loss in pathological states, such as muscle disuse, has considerable effects in terms of rehabilitation and quality of life. Since there is no currently effective and safe treatment available for skeletal muscle atrophy, the search for new alternatives is necessary. Resistance exercise (RE) seems to be an important tool in the treatment of disuse-induced skeletal muscle atrophy by promoting positive functional (strength and power) and structural (hypertrophy and phenotypic changes) adaptive responses. Human and animal studies using different types of resistance exercise (flywheel, vascular occlusion, dynamic, isometric, and eccentric) have obtained results of great importance. However, since RE is a complex... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Resistance exercise; Vascular occlusion; Eccentric exercise; Disuse; Atrophy. |
Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2011001100001 |
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Serrão,F.V.; Foerster,B.; Spada,S.; Morales,M.M.B.; Monteiro-Pedro,V.; Tannús,A.; Salvini,T.F.. |
The present study evaluated functional changes of quadriceps muscle after injury induced by eccentric exercise. Maximal isometric torque of quadriceps and the surface electromyography (root mean square, RMS, and median frequency, MDF) of the vastus medialis oblique (VMO) and vastus lateralis (VL) muscles were examined before, immediately after and during the first 7 days after injury. Serum creatine kinase (CK) levels and magnetic resonance imaging (MRI) were used to identify muscle injury. The subject was used as her own control and percent refers to pre-injury data. Experiments were carried out with a sedentary 23-year-old female. Injury was induced by 4 bouts of 15 maximal isokinetic eccentric contractions (angular velocity of 5º/s; range of motion from... |
Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Isometric torque; Surface electromyography; Quadriceps muscle; Muscle injury; Eccentric exercise; Magnetic resonance imaging. |
Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000600014 |
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