Table 1.

Search criteria based on the PICO model.

PICO	Description
Population	Orthopaedic patients (with dysfunctions of knee joint due to injury, disease or after surgery), children and adults of both sexes
Intervention	Treatment process involved in using a soft tissue physiotherapy method
Comparison	Period before and after applied treatment process
Outcomes	Effects of applied physiotherapeutic methods include, but are not limited to, improvement in knee joint function (including an increase in active and/or passive range of motion), an increase in muscle activity and strength, a reduction in excessive muscle tone and pain