“…The majority (74.2%) of the included trials [ 18 – 20 , 22 , 23 , 25 , 26 , 28 , 30 , 31 , 34 – 38 , 40 – 45 , 47 , 48 ] were of moderate to high quality (PEDro score ≥ 6; Table 1 ). Only 2 trials [ 19 , 38 ] involved the blinding of subjects and therapists to the treatments; 19 (61.2%) RCTs [ 19 , 22 , 23 , 25 – 27 , 30 , 31 , 34 – 38 , 40 – 42 , 45 , 47 , 48 ] involved assessor blinding.…”