The effect of patellar taping on EMG activity of vasti muscles during squatting in individuals with patellofemoral pain syndrome
Mostamand, Javid, Bader, Dan L. and Hudson, Zoe (2011) The effect of patellar taping on EMG activity of vasti muscles during squatting in individuals with patellofemoral pain syndrome. Journal of Sports Sciences, 29, (2), 197-205. (doi:10.1080/02640414.2010.531751). (PMID:21170805).
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Although patellar taping has been shown to reduce pain in participants with patellofemoral pain syndrome, the mechanisms of pain reduction have not completely been established following its application. The purpose of this study was to evaluate EMG activity of vastus medialis and vastus lateralis following the application of patellar taping during a functional single leg squat. Both vastus medialis obliquus-vastus lateralis onset and vastus medialis obliquus/vastus lateralis amplitude of 18 participants with patellofemoral pain syndrome and 18 healthy participants as controls were measured using an EMG unit. This procedure was performed on the affected knee of participants with patellofemoral pain syndrome, before, during, and after patellar taping during unilateral squatting. The same procedure was also performed on the unaffected knees of both groups. The mean values of vastus medialis obliquus-vastus lateralis onset prior to taping (2.54 ms, s = 4.35) were decreased significantly following an immediate application of tape (-3.22 ms, s = 3.45) and after a prolonged period of taping (-6.00 ms, s = 3.40 s) (P < 0.05). There was also a significant difference between the mean values of vastus medialis obliquus-vastus lateralis onset among controls (-2.03 ms, s = 6.04) and participants with patellofemoral pain syndrome prior to taping (P < 0.05). However, there were no significant difference between the ranked values of vastus medialis obliquus/vastus lateralis amplitude of the affected and unaffected knees of participants with patellofemoral pain syndrome and controls during different conditions of taping (P > 0.05). Decreased values of vastus medialis obliquus-vastus lateralis onset may contribute to patellar realignment and explain the mechanism of pain reduction following patellar taping in participants with patellofemoral pain syndrome.
|Digital Object Identifier (DOI):||doi:10.1080/02640414.2010.531751|
|Keywords:||vasti onsets vasti amplitudes, patellar taping|
|Subjects:||R Medicine > RC Internal medicine > RC1200 Sports Medicine|
|Divisions:||University Structure - Pre August 2011 > School of Medicine
|Date Deposited:||02 Jun 2011 09:12|
|Last Modified:||27 Mar 2014 19:42|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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