The assessment of neuromuscular fatigue during 120 min of simulated soccer exercise

Stuart Goodall, Kevin Thomas, Liam David Harper, Robert Hunter, Paul Parker, Emma J. Stevenson, Daniel West, Mark Russell, Glyn Howatson

Research output: Contribution to journalArticle

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Abstract

Purpose This investigation examined the development of neuromuscular fatigue during a simulated soccer match incorporating a period of extra time (ET) and the reliability of these responses on repeated test occasions.Methods Ten male amateur football players completed a 120 min soccer match simulation (SMS). Before, at half time (HT), full time (FT), and following a period of ET, twitch responses to supramaximal femoral nerve and transcranial magnetic stimulation (TMS) were obtained from the knee-extensors to measure neuromuscular fatigue. Within 7 days of the first SMS, a second 120 min SMS was performed by eight of the original ten participants to assess the reliability of the fatigue response.Results At HT, FT, and ET, reductions in maximal voluntary force (MVC; −11, −20 and −27%, respectively, P ≤ 0.01), potentiated twitch force (−15, −23 and −23%, respectively, P < 0.05), voluntary activation (FT, −15 and ET, −18%, P ≤ 0.01), and voluntary activation measured with TMS (−11, −15 and −17%, respectively, P ≤ 0.01) were evident. The fatigue response was robust across both trials; the change in MVC at each time point demonstrated a good level of reliability (CV range 6–11%; ICC2,1 0.83–0.94), whilst the responses identified with motor nerve stimulation showed a moderate level of reliability (CV range 5–18%; ICC2,1 0.63–0.89) and the data obtained with motor cortex stimulation showed an excellent level of reliability (CV range 3–6%; ICC2,1 0.90–0.98).Conclusion Simulated soccer exercise induces a significant level of fatigue, which is consistent on repeat tests, and involves both central and peripheral mechanisms.
Original languageEnglish
Pages (from-to)687-697
Number of pages11
JournalEuropean Journal of Applied Physiology
Volume117
Issue number4
Early online date28 Feb 2017
DOIs
Publication statusPublished - 1 Apr 2017

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Soccer
Fatigue
Transcranial Magnetic Stimulation
Femoral Nerve
Football
Motor Cortex
Knee

Cite this

Goodall, Stuart ; Thomas, Kevin ; Harper, Liam David ; Hunter, Robert ; Parker, Paul ; Stevenson, Emma J. ; West, Daniel ; Russell, Mark ; Howatson, Glyn. / The assessment of neuromuscular fatigue during 120 min of simulated soccer exercise. In: European Journal of Applied Physiology. 2017 ; Vol. 117, No. 4. pp. 687-697.
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abstract = "Purpose This investigation examined the development of neuromuscular fatigue during a simulated soccer match incorporating a period of extra time (ET) and the reliability of these responses on repeated test occasions.Methods Ten male amateur football players completed a 120 min soccer match simulation (SMS). Before, at half time (HT), full time (FT), and following a period of ET, twitch responses to supramaximal femoral nerve and transcranial magnetic stimulation (TMS) were obtained from the knee-extensors to measure neuromuscular fatigue. Within 7 days of the first SMS, a second 120 min SMS was performed by eight of the original ten participants to assess the reliability of the fatigue response.Results At HT, FT, and ET, reductions in maximal voluntary force (MVC; −11, −20 and −27{\%}, respectively, P ≤ 0.01), potentiated twitch force (−15, −23 and −23{\%}, respectively, P < 0.05), voluntary activation (FT, −15 and ET, −18{\%}, P ≤ 0.01), and voluntary activation measured with TMS (−11, −15 and −17{\%}, respectively, P ≤ 0.01) were evident. The fatigue response was robust across both trials; the change in MVC at each time point demonstrated a good level of reliability (CV range 6–11{\%}; ICC2,1 0.83–0.94), whilst the responses identified with motor nerve stimulation showed a moderate level of reliability (CV range 5–18{\%}; ICC2,1 0.63–0.89) and the data obtained with motor cortex stimulation showed an excellent level of reliability (CV range 3–6{\%}; ICC2,1 0.90–0.98).Conclusion Simulated soccer exercise induces a significant level of fatigue, which is consistent on repeat tests, and involves both central and peripheral mechanisms.",
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Goodall, S, Thomas, K, Harper, LD, Hunter, R, Parker, P, Stevenson, EJ, West, D, Russell, M & Howatson, G 2017, 'The assessment of neuromuscular fatigue during 120 min of simulated soccer exercise', European Journal of Applied Physiology, vol. 117, no. 4, pp. 687-697. https://doi.org/10.1007/s00421-017-3561-9

The assessment of neuromuscular fatigue during 120 min of simulated soccer exercise. / Goodall, Stuart; Thomas, Kevin; Harper, Liam David; Hunter, Robert; Parker, Paul; Stevenson, Emma J.; West, Daniel; Russell, Mark; Howatson, Glyn.

In: European Journal of Applied Physiology, Vol. 117, No. 4, 01.04.2017, p. 687-697.

Research output: Contribution to journalArticle

TY - JOUR

T1 - The assessment of neuromuscular fatigue during 120 min of simulated soccer exercise

AU - Goodall, Stuart

AU - Thomas, Kevin

AU - Harper, Liam David

AU - Hunter, Robert

AU - Parker, Paul

AU - Stevenson, Emma J.

AU - West, Daniel

AU - Russell, Mark

AU - Howatson, Glyn

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N2 - Purpose This investigation examined the development of neuromuscular fatigue during a simulated soccer match incorporating a period of extra time (ET) and the reliability of these responses on repeated test occasions.Methods Ten male amateur football players completed a 120 min soccer match simulation (SMS). Before, at half time (HT), full time (FT), and following a period of ET, twitch responses to supramaximal femoral nerve and transcranial magnetic stimulation (TMS) were obtained from the knee-extensors to measure neuromuscular fatigue. Within 7 days of the first SMS, a second 120 min SMS was performed by eight of the original ten participants to assess the reliability of the fatigue response.Results At HT, FT, and ET, reductions in maximal voluntary force (MVC; −11, −20 and −27%, respectively, P ≤ 0.01), potentiated twitch force (−15, −23 and −23%, respectively, P < 0.05), voluntary activation (FT, −15 and ET, −18%, P ≤ 0.01), and voluntary activation measured with TMS (−11, −15 and −17%, respectively, P ≤ 0.01) were evident. The fatigue response was robust across both trials; the change in MVC at each time point demonstrated a good level of reliability (CV range 6–11%; ICC2,1 0.83–0.94), whilst the responses identified with motor nerve stimulation showed a moderate level of reliability (CV range 5–18%; ICC2,1 0.63–0.89) and the data obtained with motor cortex stimulation showed an excellent level of reliability (CV range 3–6%; ICC2,1 0.90–0.98).Conclusion Simulated soccer exercise induces a significant level of fatigue, which is consistent on repeat tests, and involves both central and peripheral mechanisms.

AB - Purpose This investigation examined the development of neuromuscular fatigue during a simulated soccer match incorporating a period of extra time (ET) and the reliability of these responses on repeated test occasions.Methods Ten male amateur football players completed a 120 min soccer match simulation (SMS). Before, at half time (HT), full time (FT), and following a period of ET, twitch responses to supramaximal femoral nerve and transcranial magnetic stimulation (TMS) were obtained from the knee-extensors to measure neuromuscular fatigue. Within 7 days of the first SMS, a second 120 min SMS was performed by eight of the original ten participants to assess the reliability of the fatigue response.Results At HT, FT, and ET, reductions in maximal voluntary force (MVC; −11, −20 and −27%, respectively, P ≤ 0.01), potentiated twitch force (−15, −23 and −23%, respectively, P < 0.05), voluntary activation (FT, −15 and ET, −18%, P ≤ 0.01), and voluntary activation measured with TMS (−11, −15 and −17%, respectively, P ≤ 0.01) were evident. The fatigue response was robust across both trials; the change in MVC at each time point demonstrated a good level of reliability (CV range 6–11%; ICC2,1 0.83–0.94), whilst the responses identified with motor nerve stimulation showed a moderate level of reliability (CV range 5–18%; ICC2,1 0.63–0.89) and the data obtained with motor cortex stimulation showed an excellent level of reliability (CV range 3–6%; ICC2,1 0.90–0.98).Conclusion Simulated soccer exercise induces a significant level of fatigue, which is consistent on repeat tests, and involves both central and peripheral mechanisms.

KW - Brain

KW - Central nervous system

KW - Intermittent exercise

KW - Muscle

KW - Performance

U2 - 10.1007/s00421-017-3561-9

DO - 10.1007/s00421-017-3561-9

M3 - Article

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SP - 687

EP - 697

JO - European Journal of Applied Physiology

JF - European Journal of Applied Physiology

SN - 1439-6319

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