Norvell, N Psychological and physical benefits of circuit weight training in law enforcement personnel. [electronic resource] - Journal of consulting and clinical psychology Jun 1993 - 520-7 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0022-006X Standard No.: 10.1037//0022-006x.61.3.520 doi Subjects--Topical Terms: Adaptation, PsychologicalAdultAnxiety--psychologyDepression--psychologyHumansJob SatisfactionMalePersonality InventoryPhysical Fitness--psychologySocial Control, FormalWeight Lifting--psychology