title: The relationship between wrist-monitored motor activity and serum CPK activity in psychiatric in-patients.
abstract: Motor activity, monitored by a wrist motion transducer, was related to serum CPK activity the following morning in a group of psychiatric in-patients. In 4 of 10 patients, studied for periods exceeding one week, total 24-hour activity was significantly correlated with morning serum CPK activity. Motor activity during the night was unrelated to serum CPK activity. In a larger group of 30 patients, studied for one or two-day periods, inter-individual differences in activity level were not related to serum CPK activity, although both sex and race were significantly related to variance between subjects in that activity.
mesh_terms: D003402:Creatine Kinase / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000201:enzymology* / Q000503:physiopathology; D009043:Motor Activity / Q000502:physiology*; D012737:Sex Factors; D013997:Time Factors; D014953:Wrist
chemical_list: D003402:Creatine Kinase