NDLI: Effects of cognitive task demands on subsequent symptoms and activity in adults with symptomatic osteoarthritis.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Kratz, Anna L. Schepens, Stacey L. Murphy, Susan L.
Description	Author Affiliation: Kratz AL ( Anna L. Kratz, PhD, is Assistant Professor, Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor.)
Abstract	OBJECTIVE: Adults with osteoarthritis (OA) experience fatigue in daily life that is negatively related to physical activity; however, it is unclear how task demands affect fatigue and occupational performance. We examined effects of a cognitive task on subsequent symptoms and activity. METHOD: Adults with knee or hip OA completed a standardized cognitive task during a lab visit. Objective physical activity and symptoms were tracked during two home-monitoring periods (i.e., 4-day period before and 5-day period after the lab visit). Multilevel modeling was used to compare pretask with posttask fatigue, pain, and activity levels. RESULTS: Fatigue increased and pain decreased for 2 days after performing the lab task. The authors found no pretask to posttask changes in activity levels. At posttask, daily fatigue and activity patterns changed relative to baseline. CONCLUSION: For adults with symptomatic OA, cognitive task demands may be an important contributor to fatigue and pain.
File Format	HTM / HTML
ISSN	02729490
Issue Number	6
Volume Number	67
e-ISSN	19437676
Journal	American Journal of Occupational Therapy
Language	English
Publisher	American Occupational Therapy Association/AOTA Press
Publisher Date	2013-11-01
Publisher Place	United States
Access Restriction	Subscribed
Subject Keyword	Discipline Physical and Rehabilitation Medicine Cognition Mental Fatigue Epidemiology Osteoarthritis, Hip Osteoarthritis, Knee Pain Task Performance And Analysis Accelerometry Activities Of Daily Living Aged Comorbidity Female Humans Male Motor Activity Physiopathology Journal Article
Content Type	Text
Resource Type	Article
Subject	Medicine Occupational Therapy

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