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Eight Factors to Consider When Selecting an Exosuit for Your Workers

by: Matthew Marino, PT, MSPT, CPE
A construction site can be a bad back waiting to happen.

Whether it’s a brick mason, concrete finisher, roofer, or any other necessary occupation for a job site, workers are at risk of work-related musculoskeletal disorders (WMSDs) because of the nature of the job – the awkward postures, repetitive lifting, bending, and reaching, and forceful exertions.

According to the Occupational Information Network, many workers spend more than two-thirds of their time on the job performing repetitive motions that increase the risk of suffering chronic back pain.
Considering the physical demand of these exhausting motions over the course of a shift – not to mention nearly a quarter of wage-and-salary construction workers work more than 40 hours per week, according to the CPWR Data Center – it’s no surprise that by far the most common WMSD for construction workers is related to their back.

Because WMSDs are so prevalent in the construction industry, many companies are exploring new equipment that can help provide some protection against chronic back pain – including exoskeletons and exosuits.

At the core of exo technology is a simple concept: address potentially painful problems before they actually cause injuries.

SITECH
Your local Trimble Construction Division dealer
SITECH Michigan

While new occupational wearables are exciting and we believe they will revolutionize how work is done, we understand there may be some questions about how to navigate and research exos. After years of experience in designing, testing, and implementing occupational exos, we’ve identified a list of key things to ask during your research.

Where Do Your Workers Need Help?
Exos are not one-size-fits-all.

In fact, there are many types of exos, including ones that specialize in supporting certain body parts or functions.

Shoulder-assist exoskeletons are best for workers frequently working overhead, such as an assembly line. There are also back-assist exosuits for low-back support and assistance for workers who lift, bend, and reach throughout their shift.

Consider the primary movements of your workers and where your workers are often sore. Then look into exos for that kind of support.

Are Your Workers at Risk of Acute or Chronic Injuries?

According to the CDC, WMSDs are disorders of the muscles, nerves, tendons, joints, cartilage, and spinal discs in which:
  • The work environment or job duties contribute significantly to the condition
  • The condition is worsened or lingers longer because of work conditions

For many active workers, constant lifting, bending, and reaching is simply part of the job. The result, though, is the risk of cumulative trauma, repetitive strain, fatigue, and chronic overexertion causing chronic back pain and missed work.

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Acute back pain, however, is usually caused by overly heavy lifting or an accident – whether it’s a trip, fall, or slip.

Exosuits can help prevent the acute injuries of today – your workers shouldn’t be trying to lift 500 pounds in the first place – but they are also designed to prevent the career-ending injuries that happen years from now. Most industrial exosuits are designed to fight back against chronic back pain caused by the repetitive pounding of a common workday.

Are Your Workers Interested in Relief? Are Managers Open to New Ideas?
It will be much easier to implement exos if workers, managers, and foremen are interested and bought-in. This is an emerging tech, and they may not realize practical workplace exos exist or may falsely picture them as something they’d see in a Hollywood movie. Ask them if they are familiar with occupational exos. Introduce them to the quality of life benefits they can expect and don’t just focus on improved productivity. Show them how current suits won’t interfere with their normal job tasks and habits.

It’s not impossible to implement exos if your workers are not initially interested or aware, but it can be more difficult. Communicating with and educating all involved parties will be critical.

What Tasks Need Assistance and How Long Do Workers Perform Them?
Even different back exos have models better suited for static jobs that involve lots of bending (e.g., rodbuster) and others designed for highly dynamic jobs that involve lots of lifting, stooping, walking or other tasks (e.g., laborers, concrete finishers, roofers).

How often would exo assistance be needed for your workers? Only for the most strenuous tasks or all day for those 40-plus hour work weeks?
These answers can help narrow your list of potential exos.

Some are great for short stints but can be uncomfortable or obtrusive for long durations. Others have been optimized for longer use and can accommodate all sorts of tasks and postures without getting in the way. If somebody will use it all day, light, flexible, and comfortable is the way to go.

Will the Exosuit Fit Your Entire Workforce and Not Get in the Way?

This is a big one, especially for construction workers.
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Your local Deere & Co dealer
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It is critical that exos are compatible with the equipment and movements your workers need to do their jobs. In fact, movement interference has been one of the largest barriers to exo adoption.
An exo’s assistance will be what helps fight against WMSDs, but comfort and freedom of movement will be what makes an exo realistic for adoption. It’s equally important to identify daily tasks that don’t need assistance.

What will your workers do when they need to sit down, climb ladders, get on their knees, walk, or enter confined spaces? Some modern exos are manufactured with soft textiles, lightweight designs, and on/off switches to allow the device to get-out-of-the way and ensure workers’ freedom of movement.

Is There Any Proof the Exo You’re Researching Actually Works?
There is a large body of evidence that exos (as a general class of device, including rigid, soft, active, passive and quasi-passive devices) assist workers and relieve strain on the body. However, it’s important to review the legitimacy of the information presented to you.

Look for quality lab-based validation studies and field tests. Are the numbers provided without any source or is it peer-reviewed science with supporting evidence from multiple studies?
You still have to do your homework.

Does the Exo Vendor Provide Training and Implementation Support Beyond the Product Sale?
If your company is new to exos, you likely would benefit from guidance from a vendor that has been implementing exos for years. Because proper fit is so critical to an exo, it’s important to get a firm understanding of what it should feel like when it’s properly fit.

There are also a few common questions to ask for long-lasting adoption:

  • How do you prepare for implementation before exos arrive on-site?
  • How do you make sure an exo keeps its proper fit over time?
  • How will exos be maintained, stored, and cleaned to ensure safe and sanitary use?
What Does Success Look Like for Your Organization?
Exos are not about technology. They aren’t about giving people superhuman strength so they can do even more. They are about keeping people pain free, healthy, and energized.
You should understand upfront: What is success for your company? Are there specific metrics your company uses to measure success? Do you have the necessary support to broadly roll out exos if your workers love them?

There’s a lot to consider when researching exos, but the good news is they are more practical and approachable than ever. Exos can help companies allow construction workers to work better – and safer – at their jobs and live better away from them, too.

SITECH
Your local Trimble Construction Division dealer
SITECH Michigan

About the Author
Matthew Marino, PT, MSPT, CPE, is Director of Ergonomics and Human Factors at HeroWear (herowearexo.com), a provider of exoskeleton technology for working men and women. He has been an active member of the ASTM F48 Committee on Exoskeletons and Exosuits since its inception and is a founding partner of the ASTM Exo Technology Center of Excellence

SITECH
Your local Trimble Construction Division dealer
SITECH Michigan
Deere SS
Your local Deere & Co dealer
AIS Construction Equipment
SITECH
Your local Trimble Construction Division dealer
SITECH Michigan