What action would best minimize the impact of sudden force transition during neuromuscular electrical stimulation?

Utilizing a ramp during neuromuscular electrical stimulation (NMES) is essential for minimizing the impact of sudden force transitions. A ramp function gradually increases the intensity of the stimulation over a specified period, allowing the muscle to contract more naturally and avoiding the jarring effect that a sudden onset of stimulation would cause. This gradual increase aids in the prevention of discomfort and allows the muscle fibers to engage more cooperatively, which can enhance the efficacy of the treatment and ensure a smoother transition into and out of contraction.

The other options do not effectively address the sudden change in force. Decreasing the treatment duration may limit the overall effectiveness of the stimulation, as there is less time for the muscle to respond appropriately. Modifying the waveform can alter the characteristics of the electrical current but does not inherently reduce the abruptness of muscle activation. Increasing the phase duration might enhance muscle contraction but would not prevent sudden force transitions, as it may still elicit a rapid increase in force that can be uncomfortable or damaging. Thus, incorporating a ramp effectively smooths the transition and is the best choice for minimizing the effects of abrupt changes in stimulation.