Electrical Muscle Stimulation (EMS)

Purpose

  • Stimulation of motor nerves of voluntary muscle
  • Stimulation of motor nerves of involuntary muscle
  • Direct stimulation of voluntary muscle fibre
  • Direct stimulation of involuntary muscle fibre
  • For improved circulation
  • For muscle strengthening
  • To re-engage and re-train motor nerve neural pathways

How it works

  • Electrodes must be placed accurately
  • Intensity must be above muscle contraction threshold
  • The signal pulses ON (for between 6 and 12 seconds) and then OFF (for between 12 and 24 seconds)
  • While the signal is ON the muscle is contracted and held in contraction
  • When the pulse is OFF the muscle contraction is released and the muscle relaxes
  • The relaxation period should be approximately twice as long as the contraction period

Healing

Mild muscle stimulation helps the circulatory system to function normally.

  • Improved overall circulation
  • Improved local blood circulation, oxygen and nutrient availability
  • Elimination of waste fluid, reduction of swelling and inflammation
  • Breaking down scar tissue
  • Maintaining or increasing the range of joint movement

Muscle condition

Stronger muscle stimulation builds muscle strength:

  • Each muscle contraction slowly develops muscle fibre - just like manual exercise
  • Actual muscle development is directly proportional to the number and strength of the contractions, over time

Benefits include:

  • Preventing muscle atrophy
  • Improving muscle tone and bulk
  • Protecting joints, ligaments and tendons through improved muscle strength
  • Increasing stability and balance through improved muscle strength

When manual exercise is not possible, then electrical stimulation is an excellent option.

Functional rehabilitation

When neural pathways are damaged, EMS can act as the source of initiation of the contraction. This is a goal in itself.

Secondly, sometimes the neural pathway memories can be restored with repeated use of EMS.

Electrode placement

Electrodes are placed at the upper insertion (or top) of the muscle and over the motor point of the muscle group to be exercised.

The motor point is the most electrically excitable area of the muscle, where a minimum amount of electrical stimulation will easily excite that portion of the muscle. It is usually located at the centre of the muscle mass, where the motor nerve enters the muscle.

If the motor nerves are denervated, the muscle can be stimulated directly.

Program guide

For settings and treatment times follow the program guidelines in the User Guide or the Treatment Times page of this website.

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