Hamstring rate of torque development is more affected than maximal voluntary contraction after a professional soccer match

Rafael Grazioli, Pedro Lopez, Lars L Andersen, Carlos Leonardo Figueiredo Machado, Matheus Daros Pinto, Eduardo Lusa Cadore, Ronei Silveira Pinto

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Match-induced fatigue of knee muscle strength and agonist-antagonist strength-ratios may affect both performance and risk of injury in soccer players. Once explosive tasks are imperative in soccer as well as hamstring strain injuries occur during high-velocity moments, rapid force capacity of this muscle group is especially important. This study evaluated the effect of match-induced fatigue on knee muscle strength and strength-ratio parameters after a single professional soccer match. Male professional soccer players (n = 16; 24.2 ± 3.9 years) were tested before and after a soccer match (56.2 ± 22.6 min of playing) for knee flexors (hamstring) and extensors (quadriceps) isometric peak torque (MVC) and rate of torque development (RTD)–as well as the hamstring-to-quadriceps ratio (H:Q)–at 30° of knee flexion. Knee injuries often occur at this joint angle, which is common in sprinting, pivoting, sidecutting, and jumping. Match-induced fatigue caused a left shift in the knee extensors torque-time curve with no significant change in both early (i.e. 0–50 ms) and late (i.e. 0–200 ms) RTD, and a right shift in the knee flexors torque-time curve with a decrease in early RTD (∼16%, p =.029) and late RTD (∼11%, p =.011). Knee extensors and knee flexors peak torque remained unchanged (p >.05). Early RTD H:Q decreased by∼24% (p =.027), while late RTD H:Q and MVC H:Q remained unchanged (p >.05). In conclusion, match-induced fatigue impaired the ability to rapidly produce force at an angle where injuries are most susceptible to occur. Important information is missed if only the traditional H:Q is considered. .

Original languageEnglish
JournalEuropean Journal of Sport Science
Volume19
Issue number10
Pages (from-to)1336-1341
Number of pages6
ISSN1746-1391
DOIs
Publication statusPublished - Nov 2019

Fingerprint

Soccer
Torque
Knee
Fatigue
Muscle Strength
Wounds and Injuries
Knee Injuries
Joints
Muscles

Keywords

  • Peak torque
  • fatigue
  • hamstring-to-quadriceps ratios
  • rate of torque development
  • strength

Cite this

Grazioli, Rafael ; Lopez, Pedro ; Andersen, Lars L ; Machado, Carlos Leonardo Figueiredo ; Pinto, Matheus Daros ; Cadore, Eduardo Lusa ; Pinto, Ronei Silveira. / Hamstring rate of torque development is more affected than maximal voluntary contraction after a professional soccer match. In: European Journal of Sport Science. 2019 ; Vol. 19, No. 10. pp. 1336-1341.
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title = "Hamstring rate of torque development is more affected than maximal voluntary contraction after a professional soccer match",
abstract = "Match-induced fatigue of knee muscle strength and agonist-antagonist strength-ratios may affect both performance and risk of injury in soccer players. Once explosive tasks are imperative in soccer as well as hamstring strain injuries occur during high-velocity moments, rapid force capacity of this muscle group is especially important. This study evaluated the effect of match-induced fatigue on knee muscle strength and strength-ratio parameters after a single professional soccer match. Male professional soccer players (n = 16; 24.2 ± 3.9 years) were tested before and after a soccer match (56.2 ± 22.6 min of playing) for knee flexors (hamstring) and extensors (quadriceps) isometric peak torque (MVC) and rate of torque development (RTD)–as well as the hamstring-to-quadriceps ratio (H:Q)–at 30° of knee flexion. Knee injuries often occur at this joint angle, which is common in sprinting, pivoting, sidecutting, and jumping. Match-induced fatigue caused a left shift in the knee extensors torque-time curve with no significant change in both early (i.e. 0–50 ms) and late (i.e. 0–200 ms) RTD, and a right shift in the knee flexors torque-time curve with a decrease in early RTD (∼16{\%}, p =.029) and late RTD (∼11{\%}, p =.011). Knee extensors and knee flexors peak torque remained unchanged (p >.05). Early RTD H:Q decreased by∼24{\%} (p =.027), while late RTD H:Q and MVC H:Q remained unchanged (p >.05). In conclusion, match-induced fatigue impaired the ability to rapidly produce force at an angle where injuries are most susceptible to occur. Important information is missed if only the traditional H:Q is considered. .",
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Hamstring rate of torque development is more affected than maximal voluntary contraction after a professional soccer match. / Grazioli, Rafael; Lopez, Pedro; Andersen, Lars L; Machado, Carlos Leonardo Figueiredo; Pinto, Matheus Daros; Cadore, Eduardo Lusa; Pinto, Ronei Silveira.

In: European Journal of Sport Science, Vol. 19, No. 10, 11.2019, p. 1336-1341.

Research output: Contribution to journalJournal articleResearchpeer-review

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AU - Grazioli, Rafael

AU - Lopez, Pedro

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AU - Machado, Carlos Leonardo Figueiredo

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AU - Cadore, Eduardo Lusa

AU - Pinto, Ronei Silveira

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AB - Match-induced fatigue of knee muscle strength and agonist-antagonist strength-ratios may affect both performance and risk of injury in soccer players. Once explosive tasks are imperative in soccer as well as hamstring strain injuries occur during high-velocity moments, rapid force capacity of this muscle group is especially important. This study evaluated the effect of match-induced fatigue on knee muscle strength and strength-ratio parameters after a single professional soccer match. Male professional soccer players (n = 16; 24.2 ± 3.9 years) were tested before and after a soccer match (56.2 ± 22.6 min of playing) for knee flexors (hamstring) and extensors (quadriceps) isometric peak torque (MVC) and rate of torque development (RTD)–as well as the hamstring-to-quadriceps ratio (H:Q)–at 30° of knee flexion. Knee injuries often occur at this joint angle, which is common in sprinting, pivoting, sidecutting, and jumping. Match-induced fatigue caused a left shift in the knee extensors torque-time curve with no significant change in both early (i.e. 0–50 ms) and late (i.e. 0–200 ms) RTD, and a right shift in the knee flexors torque-time curve with a decrease in early RTD (∼16%, p =.029) and late RTD (∼11%, p =.011). Knee extensors and knee flexors peak torque remained unchanged (p >.05). Early RTD H:Q decreased by∼24% (p =.027), while late RTD H:Q and MVC H:Q remained unchanged (p >.05). In conclusion, match-induced fatigue impaired the ability to rapidly produce force at an angle where injuries are most susceptible to occur. Important information is missed if only the traditional H:Q is considered. .

KW - Peak torque

KW - fatigue

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