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Assessment of Hamstring: Quadriceps Coactivation without the Use of Maximum Voluntary Isometric Contraction

Título : Assessment of Hamstring: Quadriceps Coactivation without the Use of Maximum Voluntary Isometric Contraction
Autor : Torres, Gonzalo
Chorro, David
Rueda, Javier
Fernández Rosa, Luis
Navarro, Enrique
Materias: ElectromyographyHamstringsHuman performancePreventionRatioRehabilitationSoccer
Editorial : MDPI
Citación : Torres, G.; Chorro, D.; Navandar, A.; Rueda, J.; Fernández, L.; Navarro, E. Assessment of Hamstring: Quadriceps Coactivation without the Use of Maximum Voluntary Isometric Contraction. Appl. Sci. 2020, 10, 1615. https://doi.org/10.3390/app10051615
Resumen : This study aimed to study the coactivation patterns of the hamstring and quadriceps muscle groups during submaximal strength exercises commonly used in injury prevention in soccer without the use of maximum voluntary isometric contraction testing. This was used to compare: (i) the inter-limb differences in muscle activation; (ii) the intra-muscular group activation pattern and (iii) the activation pattern during different phases of the exercise. Muscle activation was recorded by surface electromyography in 19 elite, male, youth soccer players. Participants performed the following: Bulgarian squat, lunge and squat. Electrical activity was recorded for the rectus femoris, vastus medialis, vastus lateralis, biceps femoris and semitendinosus. No significant inter-limb differences were found (F1, 13 = 619; p = 0.82; 2 = 0.045). Significant di erences were found in the muscle activation between individual muscles within the quadriceps and hamstrings muscle group for each of the exercises: Bulgarian squat (F1,18 = 331: p < 0.001; n2 = 0.80), lunge (F4,72 = 114.5; p < 0.001; n2 = 0.86) and squat (F1,16 = 247.31; p < 0.001; n2 = 0.93). Differences were found between the different phases of each of the exercises (F2,26 = 52.27; p = 0.02; n2 = 0.80). The existence of an activation pattern of each of the muscles in the three proposed exercises could be used for muscle assessment and as a tool for reconditioning post-injury.
URI : http://hdl.handle.net/10637/14714
Derechos: http://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
OpenAccess
ISSN : 2076-3417
Fecha de publicación : 29-feb-2020
Centro : Universidad San Pablo-CEU
Aparece en las colecciones: Fisioterapia





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