This article looks at a new study about robotic suits that help people walk. The suits are called exoskeletons. They are worn on the outside of the body. Scientists tested them on people who cannot move their legs because of spinal cord injuries.
The study compared these robotic suits to regular leg braces. The researchers wanted to see which one was safer and easier to use. They also wanted to know if people could learn to use the robotic suits quickly.
Here are the three main things the study found:
- The robotic suits were safe and caused fewer problems than regular leg braces.
- People learned to use the robotic suits very quickly.
- The robotic suits were faster to put on and take off.
Key Findings at a Glance
- Robotic exoskeletons caused fewer adverse events (17) compared to regular leg braces (31)
- Patients needed only 1 to 4 training sessions to perform essential walking activities with minimal help
- Donning and doffing the robotic device was 43 seconds faster than regular leg braces
- Participants improved their 6-Minute Walk Test scores and all therapy measurements when using the exoskeleton
- The study involved 10 patients with complete spinal cord injuries who completed 10 training sessions with each device
In this article
What Was This Study About?
Scientists wanted to test a new walking robot. The robot is called the ABLE Exoskeleton. It is a suit that helps people walk when their legs do not work.
The study compared the robotic suits to something older. That older device is called a KAFO. KAFO stands for knee ankle foot orthosis. It is a stiff leg brace made of metal and plastic.
The scientists wanted to know three important things. First, is the robotic suit safe? Second, can people use it easily? Third, how long does it take to learn?
You may be wondering why this matters. Learning about devices that help with movement can teach us how our bodies work. It can also show us how people recover from injuries.
Who Was Tested in This Research?
According to this study, ten people took part in the research. All of them had injuries to their spinal cord. The spinal cord is the bundle of nerves inside your backbone that helps your brain talk to your body.
The injuries happened in the middle part of their backs. Doctors call this area T4 to T12. These people could not move their legs at all. The injuries were complete. That means the spinal cord was badly damaged and stopped working in that spot.
The injuries were also chronic. This means they happened a long time ago. The people had already lived with their injuries for many months or years.
Each person tried both devices. They used the regular leg braces for 10 sessions. Then they used the robotic suit for 10 sessions. Or they did it the other way around. Scientists call this a crossover study.
How Safe Were the Robotic Suits?
Research shows that the robotic suits were very safe. The study looked at adverse events. An adverse event is any problem or unwanted thing that happens during treatment.
Here is where it gets interesting. The robotic suits caused fewer problems than the regular leg braces. With the robotic suits, there were 17 adverse events. With the regular leg braces, there were 31 adverse events.
That is almost half as many problems with the robotic device. This was an important finding. It showed that new technology can be just as safe or even safer than older methods.
The study took place in a rehabilitation hospital. Rehabilitation means helping people recover and learn to do things again after an injury or illness. The hospital setting made sure that trained experts were always nearby to help.
How Fast Did People Learn to Use Them?
People learned to use both devices very quickly. According to this study, most people needed only 1 to 4 training sessions. After that, they could do important activities with little or no help.
What were those important activities? They included sitting down and standing up. They also included walking 10 meters. That is about 33 feet or the length of a large room. And they included turning around to walk back.
Let us look closer at the improvements with the robotic suit. People got better at many things. They took more steps during each session. They walked farther. They walked faster. They spent more time standing and walking.
All of these improvements were statistically significant. That means the changes were real and not just by chance. Scientists use a measure called a p value. When the p value is less than 0.05, the results are considered meaningful. In this study, all therapy measurements showed p values less than 0.05.
Participants also improved on a test called the 6-Minute Walk Test. This test measures how far you can walk in six minutes. The farther you walk, the better your walking ability. With the robotic suit, people walked farther as they practiced more.
Were They Easy to Use in Daily Therapy?
One big question was about putting the devices on and taking them off. Doctors call this donning and doffing. Donning means putting something on. Doffing means taking something off.
The robotic suit was faster. It took 43 seconds less time to put on and take off compared to the regular leg braces. That might not sound like much, but in a busy therapy session, every minute counts.
Both devices needed about the same amount of help from other people. This is important because it means the robotic suit did not require extra staff or assistance.
The time it took to complete therapy activities was very similar between the two devices. This means that switching to the robotic suit would not slow down therapy sessions.
| Measurement | Robotic Suit | Regular Leg Braces |
|---|---|---|
| Adverse Events | 17 | 31 |
| Training Sessions Needed | 1 to 4 | 1 to 4 |
| Donning/Doffing Time Difference | 43 seconds faster | Baseline |
What Does This Tell Us About Movement and Recovery?
This study teaches us something valuable about how people learn to move again. The brain is amazing at adapting to new tools. Even when people cannot use their own legs, they can quickly learn to control a robotic device.
The improvements in walking distance and speed show us that practice matters. The more people used the robotic suit, the better they got. This is true for all kinds of movement and therapy.
The safety results remind us that technology keeps getting better. New devices can be safer and easier to use than older ones.
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Our site helps people understand medical science related to thumb pain and rhizarthrosis. Rhizarthrosis is arthritis at the base of the thumb. It can make your thumb hurt and make it hard to grip things.
We read published scientific articles and explain them in simple words. We never make up facts. We only share what scientists have actually studied and published.
Even though this particular article is about walking and spinal cord injuries, we share it because it teaches us about rehabilitation and how people learn to use devices that help with movement. These ideas connect to all kinds of therapy and recovery.
We invite you to explore more articles on our site. Each one breaks down real medical research into language everyone can understand.
Frequently Asked Questions
What is an exoskeleton used for?
An exoskeleton is a robotic suit worn on the outside of the body. It helps people walk when their legs do not work because of injury or illness. According to research published in PloS one, exoskeletons can be used safely for gait training in rehabilitation hospitals.
Are robotic walking suits safe?
Research shows that robotic exoskeletons are safe for people with spinal cord injuries. In this study, the robotic device caused fewer adverse events than traditional leg braces. There were 17 problems with the robotic suit compared to 31 with regular braces.
How long does it take to learn to use a walking exoskeleton?
According to this study, most people need only 1 to 4 training sessions to learn essential activities. These activities include standing up, walking 10 meters, and turning around. People can perform these tasks with minimum assistance or less after this short learning period.
Are robotic suits faster to put on than leg braces?
Studies indicate that robotic exoskeletons can be faster to put on and take off. The ABLE Exoskeleton was 43 seconds faster for donning and doffing compared to knee ankle foot orthoses. Both devices required similar levels of assistance from helpers.
What This Means for You
This study shows us that new technology can help people move and recover. Robotic suits are becoming safer and easier to use. They can be just as practical as older devices and sometimes even better.
If you or someone you care about is going through rehabilitation, it is good to know that options are growing. New tools are being tested and improved all the time.
The most important lesson is about hope and progress. Science keeps finding new ways to help people move, recover, and live fuller lives.
Always talk with your own doctor or therapist about what treatments and devices might work for your specific situation. Every person is different. What works for one person might not be the best choice for another.
Disclaimer
This article is for informational purposes only. It is not medical advice. It does not replace the guidance of your doctor, therapist, or other healthcare provider.
The information comes from a published scientific study. We have explained it in simple terms to help you understand the research. Always consult with qualified healthcare professionals before making any decisions about your health or treatment.
Research Citation
Study Authors: Rodríguez-Fernández, Antonio; Lobo-Prat, Joan; Tolrà-Campanyà, Mariona; Pérez-Cañabate, Florentina; Font-Llagunes, Josep M.; Guirao-Cano, Lluis
Year: 2025
Publication: PloS one
Full Article:
https://doi.org/10.1371/journal.pone.0318039