Table 1. Search strategy.
| (1) PubMed | #1 Osteoarthritis, knee [MeSH Terms]#2 Exercise [MeSH Terms]#3 Exercise therapy [MeSH Terms]#4 Pain#5 (#1 AND (#2 OR #3) AND #4)Limits: Randomized Controlled Trial |
| (2) CENTRAL | #1 Osteoarthritis, knee [MeSH Terms]#2 Exercise [MeSH Terms]#3 Exercise therapy [MeSH Terms]#4 Pain#5 (#1 AND (#2 OR #3) AND #4) |
| (3) PEDro | ·Advance searchTherapy: Strength training OR Fitness trainingBody Part: Lower leg or kneeProblem: PainTitle or Abstract: Knee OsteoarthritisMethod: Clinical trial |
| (4) CINAHL | #1 Osteoarthritis, knee [MeSH Terms]#2 Exercise+ [MeSH Terms]#3 Therapeutic Exercise+ [MeSH Terms]#4 Pain#5 (#1 AND (#2 OR #3) AND #4)Limits: Randomized Controlled Trial |