High intensity running results in an impaired neuromuscular response in ACL reconstructed individuals (Journal article)

Patras, K./ Ziogas, G./ Ristanis, S./ Tsepis, E./ Stergiou, N./ Georgoulis, A. D.

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) microV, P > 0.05] while it increased significantly [294.2 (120.6)-317.1 (140.5) microV, 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.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικής
Keywords: Adult,Anterior Cruciate Ligament/*physiopathology/surgery,Bone-Patellar Tendon-Bone Graft,*Electromyography,Humans,Lactic Acid/blood,Lower Extremity/innervation/physiology,Male,Muscle, Skeletal/*innervation/physiology,Physical Exertion/*physiology,Running/*physiology,Telemetry
URI: https://olympias.lib.uoi.gr/jspui/handle/123456789/21226
ISSN: 1433-7347
Link: http://www.ncbi.nlm.nih.gov/pubmed/19495726
http://www.springerlink.com/content/0608537761716x77/fulltext.pdf
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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