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

Torres, Gonzalo and Chorro Hernández, David and Navandar, Archit and Rueda, Javier and Fernández, Luís and Navarro Cabello, Enrique (2020). Assessment of Hamstring: Quadriceps Coactivation without the Use of Maximum Voluntary Isometric Contraction. "Applied Sciences", v. 10 (n. 5); p. 1615. ISSN 2076-3417. https://doi.org/10.3390/app10051615.

Description

Title: Assessment of Hamstring: Quadriceps Coactivation without the Use of Maximum Voluntary Isometric Contraction
Author/s:
  • Torres, Gonzalo
  • Chorro Hernández, David
  • Navandar, Archit
  • Rueda, Javier
  • Fernández, Luís
  • Navarro Cabello, Enrique
Item Type: Article
Título de Revista/Publicación: Applied Sciences
Date: February 2020
ISSN: 2076-3417
Volume: 10
Subjects:
Freetext Keywords: electromyography; hamstrings; human performance; prevention; ratio; rehabilitation; soccer
Faculty: Facultad de Ciencias de la Actividad Física y del Deporte (INEF) (UPM)
Department: Salud y Rendimiento Humano
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This study aimed to study the coactivation patterns of the hamstring and quadricepsmuscle groups during submaximal strength exercises commonly used in injury prevention in soccerwithout 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 bysurface 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, vastusmedialis, vastus lateralis, biceps femoris and semitendinosus. No significant inter-limb differenceswere found (F1, 13=619;p=0.82;η2=0.045). Significant differences were found in the muscleactivation between individual muscles within the quadriceps and hamstrings muscle group for eachof the exercises: Bulgarian squat (F1,18=331:p<0.001;η2=0.80), lunge (F4,72=114.5;p<0.001;η2=0.86) and squat (F1,16=247.31;p<0.001;η2=0.93). Differences were found between the differentphases of each of the exercises (F2,26=52.27;p=0.02;η2=0.80). The existence of an activation patternof each of the muscles in the three proposed exercises could be used for muscle assessment and asa tool for reconditioning post-injury.

More information

Item ID: 61165
DC Identifier: http://oa.upm.es/61165/
OAI Identifier: oai:oa.upm.es:61165
DOI: 10.3390/app10051615
Official URL: https://www.mdpi.com/2076-3417/10/5/1615
Deposited by: Memoria Investigacion
Deposited on: 27 Oct 2020 10:22
Last Modified: 27 Oct 2020 10:22
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