Effects of Standard Physiotherapy with the Addition of Mechanical Traction on Pain, Physical Activity and Quality of Life in Patients with Knee Osteoarthritis

Background and Objectives: There is evidence of decreasing knee pain in patients with knee osteoarthritis when knee mechanical traction is performed surgically. Our aim was to measure the effects of standard physiotherapy with the addition of knee mechanical traction on pain, physical activity and quality of life in patients with knee osteoarthritis. Materials and Methods: A clinical observational study with intervention and without a control group was conducted at three outpatient health clinics on a primary level of the health care system. Twenty-three patients with knee osteoarthritis voluntarily participated in the study. Standard physiotherapy included education, therapeutic and aerobic exercise, conventional TENS, low-intensity laser and manual soft tissue techniques. Mechanical traction of 150 N continuous force for 15 min with the knee joint at 25° flexion was added to standard physiotherapy. The following outcome measures were used: VAS, Knee Injury and Osteoarthritis Outcome Score and a 30 s sit-to-stand test. Results: The pain measured for the VAS at rest (p < 0.001) and during movement (p < 0.001) as well as for the Knee Injury and Osteoarthritis Outcome Score pain part decreased (p < 0.05). The quality of life did not improve (p > 0.05), but the physical activity of the patients did (p < 0.05). A decrease in pain correlated with body mass (p < 0.05). Conclusions: Standard physiotherapy with the addition of mechanical traction had an effect on reducing pain and improving physical activity.