Higher intensity physical activity can aid in reducing the risk of death in older women. The current guidelines emphasize on moderate-intensity physical activity.
Highlights
- Physical activity at higher intensities can reduce the risk of death in older women
- A wearable device called a triaxial accelerometer increases the sensitivity to recognize physical activity and measures accurately
- Brisk walking lowers the risk of death in older women by 60 to 70 percent
Moderate Physical Activity Reduces Cardiovascular Death Risk in Older Adults
Moderate and high leisure-time physical activity were associated with a 31% and 45% reduced risk of an acute CVD event, respectively.
Moderate and high leisure-time physical activity were associated with a 31% and 45% reduced risk of an acute CVD event, respectively.
‘Brisk walking, which is moderate to vigorous intensity physical activity reduces the risk of death by 60 to 70 percent in older women.’
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The research team measured physical activity of women over seven days by using a wearable device called a triaxial accelerometer.
Even Moderate Physical Activity Helps Elder Adults Stay Mentally Strong
The researchers looked at 100 adults between the ages of 60 and 80, and they used accelerometres to objectively measure their physical activity over a week.
The researchers looked at 100 adults between the ages of 60 and 80, and they used accelerometres to objectively measure their physical activity over a week.
Brisk walking, which is moderate to vigorous intensity physical activity had lowered the risk of death by 60 to 70 percent at the end of the four-year study, which was conducted among the most active women. The most active women were compared to the least active women.
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Moderate Physical Activity Does Not Increase Risk of Osteoarthritis in Patients
Recent research has found that moderate physical activity does not elevate the risk of knee osteoarthritis in patients.
Recent research has found that moderate physical activity does not elevate the risk of knee osteoarthritis in patients.
In most of the previous studies, the findings showed that physical activity could lower mortality rate. However, previous studies have relied primarily on self-reported physical activity, and self-reports are mostly unclear.
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Moderate Physical Activity Reduces MMD In Older Obese Adults
Nearly 13 million adults aged 65 and older are affected with obesity in the US. A structured physical activity can reduce the risk of major mobility disability(MMD).
Nearly 13 million adults aged 65 and older are affected with obesity in the US. A structured physical activity can reduce the risk of major mobility disability(MMD).
By using the wearable device, the research team found that there was a 60- 70 percent reduction in the risk than those findings that were estimated in the self-reported studies. There was also a 50 percent reduction seen in non-smokers than smokers.
I-Min Lee, MBBS, ScD, associate epidemiologist at Brigham and Women’s Hospital, and first author of the study stated, "This study supports current guidelines for physical activity, such as those from the federal government and the American Heart Association, that emphasize moderate-intensity physical activity. It also adds to existing evidence that can inform upcoming physical activity guidelines over time."
New Triaxial Wearable Device
This new study is the first to investigate the physical activity and a clinical outcome that used a new triaxial wearable device.
This device increases the sensitivity to recognize physical activity and is capable of measuring more accurately when compared to those that were previously used, like the uniaxial devices, or studies relying on self-reports only.
"We used devices to measure better not only higher intensity physical activities but also lower intensity activities and sedentary behavior, which has become of great interest in the last few years," stated I-Min Lee, MBBS, ScD.
About 16,741 participants whose average age was 72 years participated in the study. These women from the Women’s Health Study wore the device for at least 10 hours a day and at least 4 out of 7 days.
Light physical activity like slow walking did not lower death rate during the study.
The research team notes that light activity could be beneficial for other health outcomes, which were not reported in this paper. The research team is continuing this study to investigate other health outcomes and also to examine as to what kind of activities are healthful.
Benefits of Exercise
Exercise is any physical activity, which enhances the overall fitness of the body. There has to be a good balance between a healthy diet and exercise for maintaining fitness and a life free of diseases.
Regular exercise helps increase muscle strength. A healthy body houses a sound mind, which in turn, gives one an optimistic approach to life.
Moderate but regular aerobic exercises such as walking, swimming, gardening and dancing can help obese individuals lose weight, provided that it does not exceed their cardiovascular capacity as well as muscle strengthening, bone strengthening and stretching. Regular exercise reduces the demand for medication by 20% in diabetics and checking the blood glucose levels before and after exercise can be a motivator to continue the exercise regimen.
Reference
- Dharani M. Sontam, et al. A Memory of Early Life Physical Activity Is Retained in Bone Marrow of Male Rats Fed a High-Fat Diet. Frontiers in Physiology.(2017).
Source-Medindia
