Participants will be randomly divided and registered into 2 groups: Thera-train tigo group (TG) or control group(CP)~For 20 participants 20 minute tens, 5 minute ultrasound, 10 times with 2 sets quadriceps isometric exercise will be applied. The other 20 participants will use Thera-train tigo for 20 minute in addition to tens, us, quadriceps isometric exercise.~Conditions of the participants will be measured before(1st day) and after(15th day) a span of 3 week treatment. We will use Demographic Information Questionnaire, Western Ontario and McMaster Universities (WOMAC) osteoarthritis index, Physical Activity Scale for the Eldery (PASE) and 6 minute walking test for all patients. Then we will measure knee vibration sense with diapason. Knee joint position sense will be measured with a digital goniometer.
The aim of the randomized controlled study is to investigate the effects of the cycle ergometer with biofeedback on deep sensation in elderly people who has knee osteoarthritis