OBJECTIVE: This study aimed to evaluate the effectiveness of Kinesio Tape (KT) on lower limb muscle activation pattern in children with developmental coordination disorder (DCD) during walking. DESIGN: A parallel-group randomized controlled trial. SETTING: University laboratory setting. PARTICIPANTS: Twenty-five children with DCD were randomly allocated to the KT group (mean age 7.97 years) and 24 to the control group (mean age 8.04 years). INTERVENTION: KT group received KT application to the quadriceps and gastrocnemius muscles whereas the control group received no intervention. MEASUREMENTS: Peak muscle activation (in percentage of maximal voluntary isometric contraction (%MVIC)) in the lower limbs during gait was measured by means of surface electromyography, electrogoniometry, and foot contact switches. RESULTS: Gastrocnemius medialis activation during mid stance (23.46 %MVIC, 95% CI -32.53 to -14.39) and late stance phases (3.25 %MVIC, 95% CI -5.67 to -0.81) of gait increased after the application of KT in the KT group compared to baseline values. The KT group demonstrated 26.87 %MVIC (95% CI 26.87 to 7.11) higher gastrocnemius medialis muscle peak activation during mid stance phase at post-test when compared with the control group. Moreover, gastrocnemius medialis and biceps femoris muscle peak activation during loading response decreased by 8.36 %MVIC (95% CI 2.71 to 14.02) and 3.54 %MVIC (95% CI 1.08 to 6.01), respectively, in the control group overtime. CONCLUSIONS: The application of KT on children with DCD had an increased gastrocnemius medialis muscle activation during stance phase. KT could be incorporated into gait re-education programmes to facilitate muscle contraction in these children.

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