title: Sex differences in human motor activity level.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004734:Energy Metabolism; D004777:Environment; D005260:Female; D005333:Fetus / Q000502:physiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009043:Motor Activity; D010379:Peer Group; D012737:Sex Factors; D013315:Stress, Psychological / Q000503:physiopathology