“…Ten trials reported measures of sway area [15, 17, 18, 23, 25, 26, 29, 30, 32, 33], ten trials reported ML sway length [16, 18–21, 28, 31, 32, 36, 37] and nine trials reported AP sway length [16, 18–21, 28, 32, 36, 37]. Total path velocity was reported by five trials [15, 25, 26, 29, 37], and three trials reported AP [22, 23, 37] and ML [22, 23, 37] path velocity, respectively.…”