Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/70184
Título: Effects of eccentric exercise on the quadriceps architecture
Otros títulos: Effets de l’exercice excentrique sur l’architecture du quadriceps
Autores/as: Alonso-Fernandez, D.
Abalo-Núñez, R.
Mateos-Padorno, C. 
Martínez-Patiño, M. J.
Clasificación UNESCO: 2411 Fisiología humana
Palabras clave: Injury Prevention
Muscle Adaptation
Nordic Hamstring Exercise
Quadriceps Injuries
Ultrasound
Fecha de publicación: 2021
Publicación seriada: Science and Sports 
Resumen: To determine the muscle architecture adaptations in the vastus lateralis (VL) and vastus medialis (VM) after an eccentric training programme based on the Reverse Nordic Hamstring Exercise (RNHE) and after a subsequent detraining period. Subjects and methods: The participants (N = 28) underwent a 12-week intervention, consisting of one week of assessment and familiarisation, followed by seven weeks of eccentric training and four weeks of detraining. The VL and VM muscle architecture features were assessed in resting conditions by means of 2D ultrasonography before (week 1) and after (week 8) the training period, as well as after the detraining period (week 12). Results: Significant increases in the VL and VM muscle fascicle length (FL) (t = − 5.06, d = 1.43, P < 0.05 and t = − 11.14, d = 3.09, P < 0.001, respectively), muscle thickness (MT) (t = − 5.0, d = 1.39, P < 0.05 and t = − 6.17, d = 1.71, P < 0.05) and pennation angle (PA) (t = − 6.77, d = 1.88, P < 0.05 and t = − 4.48, d = 1.25, P < 0.05) were observed after the training period. Conclusion: The FL, MT and PA showed a significant decrease after the detraining period. The results provide evidence that an eccentric training programme based on the RNHE may lead to changes in the VL and VM muscle architecture features, which are reversible after a four-week detraining period.
URI: http://hdl.handle.net/10553/70184
ISSN: 0765-1597
DOI: 10.1016/j.scispo.2019.11.006
Fuente: Science and Sports [ISSN 0765-1597], v. 36(1), p. 60-67
Colección:Artículos
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