High intensity running results in an impaired neuromuscular response in ACL reconstructed individuals

Kostas Patras, Giorgos Ziogas, Stavros Ristanis, Elias Tsepis, Nicholas Stergiou, Anastasios D. Georgoulis

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Anterior cruciate ligament (ACL) reconstruction reestablishes electromyographic activity during moderate activities such as walking but is unclear if this is also the case in sports activities such as high intensity running that results in accumulation of metabolic fatigue. Nine bone-patella tendon-bone ACL reconstructed athletes were evaluated 19.2 (5.7) months post-operatively using a telemetric electromyographic system. The neuromuscular response of vastus lateralis and biceps femoris muscles was tested bilaterally on separate occasions during 10 min running at moderate intensity (20% below the lactate threshold) and 10 min running at high intensity (40% above the lactate threshold). During moderate intensity running, electromyographic activity did not change for either leg. During high intensity running, electromyographic activity did not change for the vastus lateralis of the ACL reconstructed leg [267.8 (142.8)-263.8 (128.9) μV, P > 0.05] while it increased significantly [294.2 (120.6)-317.1 (140.5) μV, P = 0.03] for the vastus lateralis of the intact leg. High intensity exercise that is associated with accumulation of metabolic fatigue, results in an impaired neuromuscular response for the vastus lateralis muscle of the ACL reconstructed leg.

Original languageEnglish (US)
Pages (from-to)977-984
Number of pages8
JournalKnee Surgery, Sports Traumatology, Arthroscopy
Volume17
Issue number8
DOIs
StatePublished - Jun 8 2009

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Anterior Cruciate Ligament
Running
Quadriceps Muscle
Leg
Fatigue
Lactic Acid
Bone and Bones
Muscles
Patellar Ligament
Anterior Cruciate Ligament Reconstruction
Athletes
Walking
Sports
Exercise

Keywords

  • ACL reconstruction
  • EMG
  • Fatigue
  • Neuromuscular performance
  • Running

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

High intensity running results in an impaired neuromuscular response in ACL reconstructed individuals. / Patras, Kostas; Ziogas, Giorgos; Ristanis, Stavros; Tsepis, Elias; Stergiou, Nicholas; Georgoulis, Anastasios D.

In: Knee Surgery, Sports Traumatology, Arthroscopy, Vol. 17, No. 8, 08.06.2009, p. 977-984.

Research output: Contribution to journalArticle

Patras, Kostas ; Ziogas, Giorgos ; Ristanis, Stavros ; Tsepis, Elias ; Stergiou, Nicholas ; Georgoulis, Anastasios D. / High intensity running results in an impaired neuromuscular response in ACL reconstructed individuals. In: Knee Surgery, Sports Traumatology, Arthroscopy. 2009 ; Vol. 17, No. 8. pp. 977-984.
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