“…Three studies used healthy children [57] and adolescents [27,62]. Furthermore, 14 studies employed asymptomatic samples [9,10,18,24,25,27,53,56,57,59,60,62,63,68,69], 8 used patients with low back pain (LBP) [8,54,55,58,[64][65][66][67], and 6 included both types of samples [11,23,26,43,61].…”