Efeito do Tape McConnell na Inibição da Actividade Electromiográfica do Vasto Lateral


Introduction: Patellar taping is frequently used by physiotherapists to reduce pain and enhance neuromuscular recruitment in patients with patellofemoral disorders. Its application can lead to an inhibition or facilitation of the neuromuscular activity; therefore, the vastus lateralis inhibition taping technique is commonly introduced in the rehabilitation program to induce an inhibition in the vastus lateralis muscle and create neuromuscular balance. Purpose: Evaluate the effect of the vastus lateralis inhibition taping technique on electromyographic (EMG) activity in the vastus lateralis (VL), vastus medialis obliquus (VMO) and VMO/VL ratio. Relevance: The development and research of the effectiveness of the inhibition techniques in the patellafemoral rehabilitation program is a current need in the physiotherapy intervention. Methodology: Thirty young healthy women (20±1.5 years) without patellofemoral pain syndrome volunteered for this study. Electromyographic activity was collected during an isometric muscular contraction made at 30 and 45 degrees of the knee flexion performed in the squat exercise, with and without vastus lateralis inhibition taping Results/discussion: In spite of the results suggesting a decrease in the EMG activity of the VL in both amplitudes evaluated, this difference was only statistically significant at 30 degrees of the knee flexion (p=0.01). There were no statistically significant differences in the EMG activity of the VMO (p>0.05) muscle and VMO/VL (p>0.05).Conclusions: The vastus lateralis inhibition taping technique might lead to a decrease in the electromyographic vastus lateralis activity; as a result, this intervention must be used in the rehabilitation of the patellofemoral dysfunction. However, further research is needed to evaluate the effectiveness of the vastus lateralis inhibition taping in the presence of the patellafemoral pain syndrome.

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