Which signs indicate poor electrode contact or high impedance during NMES treatment?

Which signs indicate poor electrode contact or high impedance during NMES treatment?

• A. Strong contraction with consistent response.
• B. Rapid, vigorous contractions with no discomfort.
• C. Stable readings and no patient complaints.
• D. Inadequate contraction or no response, increasing impedance readings, patient reports of burning or poor sensation, skin under electrode traps or dryness.

Answer: (D)