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Breaking up workplace sitting time with intermittent standing bouts improves fatigue and musculoskeletal discomfort in overweight/obese office workers
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Breaking up workplace sitting time with intermittent standing bouts improves fatigue and musculoskeletal discomfort in overweight/obese office workers
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Breaking up workplace sitting time with intermittent standing bouts improves fatigue and musculoskeletal discomfort in overweight/obese office workers
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Journal Article
Breaking up workplace sitting time with intermittent standing bouts improves fatigue and musculoskeletal discomfort in overweight/obese office workers
2014
Overview
Objectives To examine whether the introduction of intermittent standing bouts during the workday using a height-adjustable workstation can improve subjective levels of fatigue, musculoskeletal discomfort and work productivity relative to seated work. Methods Overweight/obese office workers (n=23; age 48.2±7.9 years, body mass index 29.6±4 kg/m2) undertook two, 5-day experimental conditions in an equal, randomised (1:1) order. In a simulated office environment, participants performed their usual occupational tasks for 8 h/day in a: seated work posture (SIT condition); or interchanging between a standing and seated work posture every 30 min using an electric, height-adjustable workstation (STAND-SIT condition). Self-administered questionnaires measuring fatigue, musculoskeletal discomfort and work productivity were performed on day 5 of each experimental condition. Results Participants’ total fatigue score was significantly higher during the SIT condition (mean 67.8 (95% CI 58.8 to 76.7)) compared with the STAND-SIT condition (52.7 (43.8 to 61.5); p<0.001). Lower back musculoskeletal discomfort was significantly reduced during the STAND-SIT condition compared with the SIT condition (31.8% reduction; p=0.03). Despite concentration/focus being significantly higher during the SIT condition (p=0.006), there was a trend towards improved overall work productivity in favour of the STAND-SIT condition (p=0.053). Conclusions Transitioning from a seated to a standing work posture every 30 min across the workday, relative to seated work, led to a significant reduction in fatigue levels and lower back discomfort in overweight/obese office workers, while maintaining work productivity. Future investigations should be directed at understanding whether sustained use of height-adjustable workstations promote concentration and productivity at work. Trial Registration Number ACTRN12611000632998.
Publisher
BMJ Publishing Group,BMJ Publishing Group LTD
Subject
/ Biological and medical sciences
/ Diseases of the osteoarticular system
/ Exercise
/ Fatigue
/ Fatigue - prevention & control
/ Female
/ Humans
/ Male
/ Miscellaneous. Osteoarticular involvement in other diseases
/ Musculoskeletal Pain - etiology
/ Musculoskeletal Pain - prevention & control
/ Obesity
/ Occupational Diseases - etiology
/ Occupational Diseases - prevention & control
/ Occupational Exposure - adverse effects
/ Posture
/ Public health. Hygiene-occupational medicine
/ Tasks
/ Work
/ Workdays
/ Workers
