“…Hyperactivity seems to implicitly refer to an excessive level of activity, with potential deleterious consequences on a healthy condition (precipitating illness onset) or on a painful condition (increasing pain intensity, fatigue, bodily damage, etc.). An attempt to clarify the nature of hyperactivity (Grisart et al, 2010) showed that hyperactivity could be considered as a dual concept. The first component is the representation of hyperactivity, referring to the cognitive and/or attitudinal aspects (one’s own attitude toward activities).…”