TENS, Microcurrent and EMS

What is the difference between TENS, Microcurrent and EMS? 

if you are interested in the difference between these three methods of relieving pain by electro-mechanical means then here goes.

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TENS, Microcurrent, and EMS refer to the transmission of small electrical pulses through the skin to the underlying peripheral nerves. 1mA (milliamp) equals 0.001 amp, and 1uA (microamp) equals 0.001 mA (milliamp).

TENS or Transcutaneous Electro-Nerve Stimulation is characterised by higher voltage, sensory current (i.e, 1 to 80 mA milliamps). Tens devices are used for the symptomatic relief and management of chronic (long-term) intractable pain. Common uses include: acute and chronic pain, back and cervical muscular and disc syndromes, arthritis, shoulder syndromes, neuropathies, and many other painful conditions.

MENS or Microcurrent is characterised by a sub sensory current (i.e, 100 to 900 uA microamps) that increases ATP (Adenosine Triphosphate) levels to promote healing. Microamps acts on the bodies naturally occurring very low voltage electrical impulses to help decrease pain. Common uses include: chronic and acute pain, swelling, TMJ dysfunctions, post operative care, sports injuries and arthritis.

EMS (Electro Muscle Stimulation) or Neuromuscular stimulation is achieved by sending small electrical impulses through the skin to the underlying motor units (nerves and muscles) EMS devices are used to create an involuntary muscle contraction. EMS devices are used to relax muscle spasms, increase local blood circulation, and maintain or increase range of motion.

CONTRAINDICATIONS:

Do not use any electro-therapy device for the following: on patients with cardiac pacemakers of ant type, over the carotid sinus area, near or around the eyes, near or around the heart, transcerebrally, transthoracically, to remove pain syndromes until etiology has been established, on pregnant women, over or near a known or suspected malignancy, on patients who have skin diseases, on patients who have implants of any electrical nature, and on patients with cardiac disease.