Want to avoid an early grave? Try 30 minutes of squats every week
Want to avoid an early grave? Try 30 minutes of squats every week: Study claims just half-an-hour of muscle-strengthening activities may cut risk of premature death by up to 20%
Experts found 30 to 60 min of weighs could cut your risk of death by up to 20%Results based on an analysis of 16 studies from the US, UK, Australia and JapanWhen combined with heart-pumping cardio the protective effect could double
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Just half-an-hour of squats each week could stave off an early death, research now suggests.
Japanese experts reviewed over a dozen studies which delved into whether muscle-building exercises had any effect on mortality.
Results showed doing between 30-60 minutes of muscle-strengthening activity per week lowered the risk of dying by up to 20 per cent.
Such muscle-building activities can include squats, push-ups and sit-ups, as well as digging and shovelling in the garden.
Tohoku University experts say the benefits are even greater when looking specifically at at the risk of death from heart disease, diabetes, and cancer.
However, the authors said there was ‘no conclusive evidence’ that going beyond an hour of muscle-strengthening activity reduced the risk any further.
But they said combining muscle strengthening and cardio exercise may increase the protective benefit.
Japanese experts say their study suggests just half an hour of lifting weights a week could help you slash the risk of an early death by 10 per cent or more
Brits are already encouraged to undertake muscle strengthening activity as part of a regular exercise regime.
The NHS recommends people do muscle-strengthening activities two days a week, in addition to 150 minutes of moderate aerobic activity, like brisk walking.
Previous research has indicated muscle strengthening was associated with lower death risk — the team of Japanese experts wanted to find out what the potential ‘optimal dose’ might be.
In order to do so, the experts reviewed 16 studies on the potential life-extending benefits of muscle strengthening.
All of the academic papers followed adults with no prior major health issues for at least two years.
Most of the studies were from the US, with the remainder from the UK, Australia, and Japan.
The longest study went on for 25 years, and the sample size of the research varied between 4,000 to nearly 480,000 people.
All of the studies also accounted for aerobic or other types of physical activity the participants were doing, as well as muscle strengthening activity.
Analysis of the data showed adults who did at least 30 minutes a week had between a 10-20 per cent lower risk of death over the study time-frame.
However, no risk reduction was found for some specific types of cancer including bowel cancer and kidney cancer, as well as cancer of the bladder or pancreas.
When looking at deaths related to diabetes, muscle strengthening activity up to an hour per week was found to largely reduce the risk of death. But the benefits started to taper off after the 60-minute mark.
The authors also highlighted the benefits were greatest when muscle strengthening was combined with 150 minutes a week of aerobic exercise.
This resulted in a death risk reduction of 40 per cent from any cause, 46 per cent for cardiovascular disease, and 28 per cent for cancer.
The results were published in the British Journal of Sports Medicine.
Lead author Dr Haruki Momma claimed the findings indicating the potential health benefits of combing weight and aerobic exercise.
‘The combination of muscle strengthening and aerobic activities may provide a greater benefit for reducing all-cause, cardiovascular disease, and total cancer mortality,’ he said.
However, Dr Momma added that the current data is limited and further studies on more diverse populations than the ones the team analysed were needed to increase the certainty of the evidence.
The diversity of the data was one of the limitations in the analysis that the authors acknowledged.
Of the 16 studies only a few of each were applicable to each of the causes of death analysed in the review, meaning the findings should be treated with caution.
Secondly, the authors also acknowledged the studies were based on participants self-reporting their exercise levels which could be unreliable.
Lastly, the authors also highlighted that the majority of the studies were from US meaning the findings may not be as applicable to other populations.
The researchers acknowledge certain limitations to their findings, the main one of which was that data from only a few studies were pooled for each of the outcomes studied. The included studies also relied on subjective assessment of muscle strengthening activities.
