“…Interestingly we hardly see people take the variation in quality of the therapeutic intervention into account [5,6]. One could argue that the majority of the interventions of the studies included in the review of Jordan et al (2014) can be classified as being poorly administered physiotherapy (i.e., not reflecting, high quality, day-to-day clinical practice). Interventions that lack intensity, do not monitor progression, and/or are generally poorly thought out, thus have little potential for effectiveness and should perhaps be weighted differently in syntheses of the literature [5].…”