As people grow older, it often becomes harder to keep good balance and posture. Many older adults notice that they feel less steady when standing, walking, or changing direction.
This happens because the body goes through many natural changes during aging. Muscles gradually become weaker, eyesight may decline, and the body becomes less sensitive to signals that tell us where our limbs and body are in space. Together, these changes make it more difficult to stay stable.
Because of this, falls become much more common in older age. Health experts estimate that about 40 percent of older adults experience at least one fall every year.
Some falls only cause minor bruises, but others can lead to serious injuries such as broken bones or head trauma. Falls are one of the leading causes of hospital visits and loss of independence among older people.
For many years, doctors, physical therapists, and exercise specialists have known that balance training can reduce the risk of falling. Balance exercises teach the body how to respond quickly when a person loses stability.
For example, if someone trips on a curb or is bumped by another person, the body must react in a split second to avoid falling. Training the body to make these quick adjustments can greatly improve safety.
However, traditional balance training often requires special equipment that is large, expensive, and difficult to use outside of medical centers. Many of these machines are found only in rehabilitation clinics or research laboratories. This means that older adults who want to improve their balance may not always have easy access to the training they need.
A research team from the Tokyo University of Science is trying to solve this problem with a new wearable device designed to train balance in a simple way. The device was developed by Assistant Professor Masataka Yamamoto and his colleagues. Their work was published in the IEEE Journal of Translational Engineering in Health and Medicine.
The device is called the Wearable Balance Exercise Device, or WBED. Unlike traditional balance machines, this device is small and light enough to be worn on the body. It is designed to gently challenge a person’s balance while they are standing or moving.
The WBED looks somewhat like a set of suspenders that a person wears over the shoulders. Inside the device are two artificial muscles that can create small movements that tilt the user slightly to one side or the other. These movements happen unexpectedly, which forces the body to react and regain balance.
The idea behind the device is simple. In real life, people rarely lose balance in a predictable way. Instead, balance is often disturbed suddenly and without warning. The WBED tries to recreate these real-life situations so the body can learn to respond more quickly and effectively.
To test whether the device works, the researchers carried out an experiment with 18 healthy adult men. The participants were divided into two groups. One group used the real WBED device during training sessions, while the other group wore a similar-looking device that did not create any balance challenges.
Before the training started, the researchers measured each participant’s balance ability. After completing the training sessions, the researchers tested their balance again to see whether any improvements had occurred.
The results were encouraging. The participants who trained with the real WBED device showed clear improvements in their ability to maintain balance when they experienced sudden movements. Their bodies reacted more quickly and effectively compared with those who used the dummy device.
These findings suggest that the wearable device could become a useful tool for improving balance. Because the device is light and portable, it could allow people to practice balance training at home rather than only in clinics.
For older adults, this could make a major difference. Regular training with the WBED could help people strengthen the body’s ability to recover from unexpected movements. This could reduce the likelihood of falls and help older adults stay independent for longer.
The device may also be helpful for people undergoing physical rehabilitation. Patients recovering from injuries or illnesses that affect movement often need to retrain their balance. A wearable device like this could provide a convenient way to practice regularly.
Interestingly, the WBED may also have benefits beyond healthcare. Athletes who rely heavily on balance and quick reactions, such as gymnasts, soccer players, or basketball players, might also benefit from this type of training. Improving balance could enhance performance and reduce injury risk.
As populations around the world continue to age, preventing falls has become an increasingly important public health goal. Countries such as Japan, where a large portion of the population is elderly, are especially interested in technologies that help people stay active and safe.
The wearable balance exercise device represents a promising step toward making balance training easier and more accessible. With further research and development, this technology could help many people improve their stability, reduce injuries, and maintain independence as they grow older.
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