Can Standing at Work Have Negative Impact on Blood Pressure? Study Sheds Light
A Finnish study found that prolonged standing at work had a negative impact on the research participants' 24-hour blood pressure. In contrast, spending more time sitting at work was associated with better blood pressure. The study suggests that activity behaviour during working hours may be more relevant to 24-hour blood pressure than recreational physical activity. The findings were published in medicine and science in sports and exercise.
In the Finnish Retirement and Aging study (FIREA) conducted at the University of Turku, the physical activity of municipal employees approaching retirement age was measured using thigh-worn accelerometers during working hours, leisure time, and days off. In addition, the research participants used a portable blood pressure monitor that automatically measured their blood pressure every 30 minutes for 24 hours.
“Rather than any single measurement, 24-hour blood pressure is a better indication of how blood pressure stresses the heart and blood vessels throughout the day and night. If blood pressure is slightly high throughout the day and does not fall sufficiently even at night, blood vessels start to stiffen and the heart has to work harder to cope with the increased pressure. Over the years, this can lead to the development of cardiovascular disease,” says Doctoral Researcher Jooa Norha.
The latest results confirm previous findings that physical activity at work can be harmful to the heart and circulatory system. In particular, prolonged standing can raise blood pressure as the body boosts circulation to the lower limbs by constricting blood vessels and increasing the pumping power of the heart.
“A standing desk can provide a nice change from sitting at the office, but too much standing can be harmful. It's a good idea to take a break from standing during the work day, either by walking every half an hour or sitting for some parts of the day,” Norha recommends.
Reference: Norha, Jooa1; Suorsa, Kristin2,3; Heinonen, Olli J.4; Niiranen, Teemu5,6; Kalliokoski, Kari K.1; Heinonen, Ilkka H.A.1; Stenholm, Sari2,3,7. Associations between Leisure and Work Time Activity Behavior and 24 H Ambulatory Blood Pressure among Aging Workers. Medicine & Science in Sports & Exercise ():10.1249/MSS.0000000000003594, November 6, 2024. | DOI: 10.1249/MSS.0000000000003594
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