Prof. Arnold WONG, Associate Director of Research Institute for Smart Ageing (RISA) and Professor of Department of Rehabilitation Sciences, was recently interviewed on Viu TV programme “Medicine Online”, where he explained how simple stretching exercises can help improve blood circulation, thereby easing pain, enhancing mood and helping to prevent cognitive decline.
Prof. Wong noted that many people in Hong Kong, due to busy work schedules, spend long periods sitting still and often overlook the importance of daily physical activity. He pointed out that prolonged inactivity can impair blood circulation and increase strain on certain parts of the body. As such, one of the most effective ways to counter so is to change posture regularly — for example, moving around from time to time or engaging in light movement — ideally every 20 to 30 minutes.
Although it may not always be practical to do full body stretching movements during work hours, physiotherapists suggest that, where circumstances allow, people can still perform some simple stretches in their seats to help promote blood circulation. For the lower limbs, for instance, basic movements such as flexing the feet or gently moving the toes up and down can help improve blood flow. People may also sit at the edge of a chair to stretch back muscles or try seated leg raises.
Prof. Wong added that many Hong Kong people have adopted an inactive lifestyle. Even after work, when feeling tired, they often prefer resting to exercising. However, moderate exercise can in fact help reduce risk of inflammation and inflammatory pain, and help prevent cognitive decline. Current research further has shown that moderate exercise can improve the overall condition of older adults, including reducing the risk of cognitive decline, improving mood and strengthening the quadriceps.
He emphasised that exercise does not have to be strenuous to be beneficial. Walking, for example, is already a simple yet effective option. By avoiding prolonged sitting and promoting blood circulation through small movements in daily life, people can bring significant benefits to their overall health.
Online coverage:
Viu TV - https://polyu.me/4veZaSO (8:48 - 10:26) (Chinese only)
| Research Units | Research Institute for Smart Ageing |
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