National Physical Therapy Examination (NPTE) Practice Exam

In electrical stimulation therapy, which configuration enhances muscle reeducation?

1. Single pulse mode

2. Continuous mode

3. Intermittent mode

4. High frequency mode

The correct answer is: Intermittent mode

Intermittent mode is particularly effective for muscle reeducation in electrical stimulation therapy because it allows for a rest period between stimulation bursts. This configuration mimics the natural firing pattern of the nervous system, promoting adaptability and facilitating muscle conditioning without over-fatiguing the muscle fibers. During intermittent stimulation, the muscle can contract and then recover, which is crucial for improving strength and functional motor patterns. This allows the muscles to not only gain strength but also enhances the neurophysiological connections between the brain and the muscle, fostering better motor control and coordination during functional tasks. In contrast, continuous mode does not provide rest periods, which can lead to muscle fatigue and potentially be counterproductive for reeducation. Single pulse mode typically involves low rates of stimulation that may not engage the muscle sufficiently for effective reeducation. High frequency mode can be effective for pain control or spasm relief but may not optimize the muscle retraining necessary for reeducation purposes. Thus, the intermittent mode stands out as the ideal choice for achieving the goals of muscle reeducation.