title: Confinement and free-volume requirements.
mesh_terms: D000124:Achievement; D000222:Adaptation, Physiological; D001288:Attention; D001790:Blood Physiological Phenomena; D001921:Brain / Q000502:physiology; D002320:Cardiovascular Physiological Phenomena; D003213:Conditioning, Psychological; D018504:Ecological Systems, Closed; D004569:Electroencephalography; D006804:Ergonomics; D006801:Humans; D007103:Immobilization; D007360:Intelligence; D007398:Interpersonal Relations; D007899:Leisure Activities; D009042:Motivation; D009048:Motor Skills; D009068:Movement; D009142:Musculoskeletal Physiological Phenomena; D010551:Personality; D005082:Physical Exertion; D010809:Physical Fitness; D011581:Psychological Tests; D011930:Reaction Time; D011998:Recreation; D012143:Respiratory Physiological Phenomena; D012146:Rest; D012683:Sensory Deprivation; D012934:Social Isolation; D013026:Space Flight / Q000592:standards*; D013998:Time Perception; D014882:Water-Electrolyte Balance; D014937:Work