Electrical Stimulation:

  • 18-32 min of pulsed current,
  • stimulation frequency of 80Hz (hertz).
  • pulse duration of 200μs (microseconds).
  • stimulation intensity fixed near to maximal tolerated.

and

Laser Therapy:

  • λ = 810 nm (nanometers)
  • continuous wave
  • 200 mW (milliwatts) output power
  • low-level laser therapy dose of 4-6J (Joules) per point.
  • six points at the knee joint.

Read more: http://www.clinicaltrials.gov/ct2/show/NCT02067871?cond=%22Arthritis%22&lup_s=01/29/2014&lup_d=30