Man using a Dual Channel TENS Machine for pain relief.

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Size: 3413px × 5120px
Photo credit: © Hilary Morgan / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: adhering, bare-chested, channel, displaying, dual, electrical, health, machine, man, massage, nerve, pain, patches, relief, skin, stimulation, stimulus, tens, transcutaneous, vertical