In a neurologically intact adult, co-activation of muscle groups is infrequent, particularly when learning a new task.

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In a neurologically intact adult, co-activation of muscle groups is common when learning a new task. This helps with stability and control as the brain and muscles work to figure out how to perform the task efficiently. Over time and with practice, the co-activation reduces as the brain and muscles become more skilled at the task.

In a Neurologically Intact Adult, Co-Activation of Muscle Groups Is