- A link between low-intensity physical activity and the risk of death was found
- Low-intensity physical activity can lower the risk of mortality among older men
- Total volume of physical activity, from light intensity upwards lowers the risk of death
Just a few minutes of any physical activity, even light intensity can lower the risk of death in older men, reveals a new study.
The research was published online in the British Journal of Sports Medicine.
Current guidelines suggest that 150 minutes a week of moderate to physical activity in 10-minute bouts. However, such a pattern could be difficult for older adults to achieve, reveals the research team.
Physical Activity in Older Men
In this study, about 7735 participants from 24 British towns, who were in the age group of 40 and 59 participated when the study started in 1978-80.
In 2010-12, about 3137 survivors were called for a check-up, where a physical examination and questions about their lifestyle, sleeping patterns, and if they had ever been diagnosed with heart disease were asked.
They were also asked to wear an accelerometer, which is a portable gadget that continuously tracks the volume and intensity of physical activity during waking hours for seven days. The participant's health was tracked until death or till June 2016.
Among all the participants, about 1566 (50%) men have agreed to wear the device. However, after excluding men who had pre-existing heart disease and those who did not wear the accelerometer during the seven days, the final analysis was taken based on 1181 men, whose average age was 78 years.
During the monitoring period, about 194 of the men died in five years. The accelerometer findings indicated that the total volume of physical activity from light intensity to high intensity lowered the risk of death.
Benefits of Regular Exercise in Older Men
Every day, an additional 30 minutes of light intensity activity, including gentle gardening or taking the dog for a walk reduced the risk of death by 17 percent, which persisted even after taking into account of their lifestyle factors like sedentary time.
The reduction in death risk was around 33 percent for every additional 30 minutes of moderate to vigorous intensity physical activity per day, which showed that the light intensity activity could also prolong life.
Also, no evidence suggests that moderate to vigorous activity in bouts of 10 minutes was better than accumulating it in shorter sessions.
Irregular bouts of activity could lower the risk of death by 41 percent and bouts that last 10 or more minutes lowered the risk of death by 42 percent.
Irregular bouts were easier to achieve, as two-thirds (66%) of men were able to meet their weekly total of moderate to vigorous physical activity. However, only 16 percent were able to manage in bouts of 10 or more minutes.
Also, no evidence suggests breaking up sitting time can lower the risk of death. No firm conclusions could be drawn about cause and effect, as this is an observational study.
Participants who wore the accelerometer were found to be younger and had healthier lifestyles than those who did not, which could have changed the results, reveals the research team.
Also, the findings are not clear if it can be equally applicable to younger age groups and older women. However, the results of this study can be used to refine current physical activity guidelines for older adults to make them more achievable.
Modest Activities are also Beneficial
Future research might emphasize that all physical activity is worthwhile for extending the lifespan.
"[The ] results suggest that all activities, however modest, are beneficial. The finding that [low-intensity physical activity] is associated with lower risk of mortality is especially important among older men, as most of their daily physical activity is of light intensity," noted the research team.
"Furthermore, the pattern of accumulation of physical activity did not appear to alter the associations with mortality, suggesting that it would be beneficial to encourage older men to be active irrespective of bouts," explained the research team.
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Hannah Joy. "Just 10 minutes of Light Exercise can Increase Lifespan in Men". Medindia. https://www.medindia.net/news/healthwatch/just-10-minutes-of-light-exercise-increases-lifespan-in-men-177178-1.htm. (accessed Aug 13, 2022).
Hannah Joy. 2021. Just 10 minutes of Light Exercise can Increase Lifespan in Men. Medindia, viewed Aug 13, 2022, https://www.medindia.net/news/healthwatch/just-10-minutes-of-light-exercise-increases-lifespan-in-men-177178-1.htm.