Prospective randomize trial. The patients with knee pain and osteoarthritis, that were referred to the physiotherapy treatment.

Each patient will be checked twice by the physiotherapy team, in the first and in the last physiotherapy treatment. Test muscle strength of QUADRICEPS, GLUTEOUS MEDIUS and HAMSTRING will be measured by Dynamometer (the dynamometer expressed in a quantitative way the muscle force) The population will randomized separated in trail and control group. The control group will receive before physiotherapy COLD HOT or Electrotherapy treatment depends on the patient and physiotherapy prefer.

The trial group will receive with Elf_Care unit (Hot-Cold & Electrotherapy) during physiotherapy treatment ( 28 minutes twice a week) The protocol treatment includes 28 minutes of cycling cold/hot/cold/hot treatment (2*7 min cold: 10…15 degrees; 2*7 min hot: 39..42 degrees,). During this 28 minutes the patient also receive tolerable intensity Premodulated Interferential current with sweep Beat frequency (3Hz…200Hz), Carrier frequency 5kHz ; Electrodes setup: Thermo Electrode and 2 Regular Electrodes After the treatment the control and trail group will evaluate with 0-10 visual analogue scale VAS, Oxford Knee Score and WOMAC The population will receive treatment twice a week for one month.

Read more: http://www.clinicaltrials.gov/ct2/show/NCT01112319?cond=%22Arthritis%22&lup_s=07/28/2011&lup_d=30