“…Target sample populations were varied, with three studies were targeting the general student body (Bao and Jin 2015;Lee et al 2013;Witt et al 2005), one targeting musicians (Sousa et al 2012), and five targeting youth population with specific conditions, including those who had learning disabilities and behavioral problems (Baron and Faubert 2005), attention deficit hyperactivity disorder (ADHD) (Stephens et al 2008), or who were overweight or obese (Tsang et al 2009a(Tsang et al , b, 2010(Tsang et al , 2013. In the Tai Chi or Qigong arm, nine studies did not report adherence, while four did, with adherence ranging from 42 to 90%.…”