FES vs. TENS FAQs - Equinew
equinew.com › uploads › 2019• FES uses a balanced-biphasic waveform for stimulation that does not produce ion accumulation. Why is TENS Different From FES? • TENS is designed to stimulate sensory nerves, not motor nerves. • TENS sends an impulse to confuse the sensory pathways to “gate” or block the pain sensation.