Immediate and short-term effects of wearing a single textured insole on symmetry of stance and gait in healthy adults

Publication date: Available online 9 July 2016
Source:Gait & Posture
Author(s): Charlie C. Ma, Yun-Ju Lee, Bing Chen, Alexander S. Aruin
Asymmetry of standing balance and gait are common in individuals with neurological or musculoskeletal disorders and achieving symmetrical stance and gait is an important goal of rehabilitation. The aim of the study was to investigate if asymmetry of stance and gait observed immediately after the start of using a single textured insole remains during longer use of the insole. Ten young healthy adults walked in two different conditions: with a textured insole positioned in the left shoe or without the insole. Weight bearing, gait, and perceived level of discomfort were evaluated before using a textured insole, immediately after being provided with the insole, and after walking for 10min with the insole. The center of pressure (COP) trajectory was calculated for the right and left foot in the insole and no-insole conditions. Asymmetry of stance and gait was present immediately after the start of using a textured insole (p<0.05) but was not evident after 10min of wearing the insole. The COP trajectory of the right foot after being provided with the left insole was significantly greater compared with walking with no insole (p<0.05). Gait velocity, cadence, and the COP trajectory of the left foot were not affected by the use of the insole. The outcome of the study provides a background for the investigation of the effect of using a textural insole in gait rehabilitation.



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