Minimum Electromyography Sensor Set Needed to Identify Age-Related Impairments in the Neuromuscular Control of Walking Using the Dynamic Motor Control Index.

Regression models using the eleven-muscle (χ 2 (4) = 10.62, p = 0.031, Nagelkerke R 2 = 0.297) and eight-muscle (χ 2 (4) = 9.418, p = 0.051, Nagelkerke R 2 = 0.267) sets were significant and approaching significance, respectively, whereas the model for the five-muscle set was not significant ( p = 0.663, Nagelkerke R 2 = 0.073).

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