“…In human and animal studies, accelerometry is validated against directly observed movement or against energy expenditure, both methods being regarded widely as “gold standards” for the validation of movement ( De Vries et al., 2009 ; Yam et al., 2011 ). In humans, has been shown that there is an influence of gender and age on physical activity ( Belcher et al., 2010 ; Troiano et al., 2008 ), as well as a contribution of training in athletes ( Yoshida et al., 2014 ).…”