Exoskeleton suit provides smart solution to lower back pain

A smart robotic exoskeleton developed by an EU-funded project will help prevent lower back pain and provide relief to millions of people who suffer from the debilitating condition, one of the main causes of worker absenteeism worldwide.

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Countries
Countries
  Algeria
  Argentina
  Australia
  Austria
  Bangladesh
  Belarus
  Belgium
  Benin
  Bolivia
  Bosnia and Herzegovina
  Brazil
  Bulgaria
  Burkina Faso
  Cambodia
  Cameroon
  Canada
  Cape Verde
  Chile
  China
  Colombia
  Costa Rica
  Croatia
  Cyprus
  Czechia
  Denmark
  Ecuador
  Egypt
  Estonia
  Ethiopia
  Faroe Islands
  Finland
  France
  French Polynesia
  Georgia


 

Published: 12 August 2019  
Related theme(s) and subtheme(s)
Health & life sciencesHealth & special needs
Innovation
Research policyHorizon 2020
Countries involved in the project described in the article
Austria  |  Belgium  |  Germany  |  Netherlands  |  Slovenia
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Exoskeleton suit provides smart solution to lower back pain

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© blackday #119379426, source: stock.adobe.com 2019

The SPEXOR project’s exoskeleton suit is being tested by potential end-users, such as workers required to repeatedly lift heavy loads and people suffering from lower back pain undergoing rehabilitation.

Worn over the torso and upper legs, the exoskeleton supports the spine when needed, while sensors and machine-learning algorithms ensure it is unobtrusive at other times, such as while walking, sitting or climbing stairs.

‘The practical potential applications are everywhere that humans need to do work with a high risk of lower back pain,’ says project coordinator Jan Babič at the Jožef Stefan Institute in Slovenia.

Most robotic assistive devices focus on augmenting the motion of legs or arms but neglect the spinal column’s role. They are often heavy, bulky and uncomfortable to wear, restricting the user’s range of motion.

In contrast, SPEXOR’s lightweight passive exoskeleton is designed to mechanically reduce the load on the spine, while allowing the user to move freely and safely with reduced risk of lower back pain.

Sensors embedded in the suit determine the spinal load of the user in real time and provide a warning when the load on the spine has increased to a level that could lead to injury.

‘By approaching lower back pain prevention and treatment from an engineering perspective and modelling the human-exoskeleton interaction, we have devised robot-centred techniques that serve as the basis for the development of efficient wearable solutions,’ Babičsays.

The SPEXOR team is developing a final version of the exoskeleton that will include several compact motors to further enhance functionality, enabling the suit to act as an advanced rehabilitation or fitness device capable of strengthening the user’s muscles and preventing spinal disorders. It will also act as a diagnostic tool to predict physiological issues that could affect the wearer’s spine.

Reducing the socio-economic burden of back pain

The suit is set to be commercialised by German project partner Ottobock, a leading orthopaedic technologies firm with a strong track record of translating innovative ideas into commercial products. The SPEXOR consortium is also collaborating closely with other research initiatives, including the EU-funded AnDy project. AnDy is developing a suit with sensors to measure not only the load on the spine but the load on all joints of the human body.

‘Lower back pain is often described as a pandemic of the modern world and represents a considerable socio-economic burden, accounting for 15 % of all sick leave from work,’ Babičsays.

Studies show that the costs related to lower back pain in EU countries range from EUR 116 per person in Belgium to EUR 209 per person in Sweden.

‘Using a very conservative assumption that the SPEXOR exoskeleton technology can lower these costs by at least 5 %, the financial impact of SPEXOR would amount to approximately EUR 8 per person per year,’ says Babič. ‘In a country like Germany with a population of 80 million people, the financial impact would be EUR 640 million annually. Across the whole EU, with a population of 500 million, the annual cost savings could reach EUR 4 billion.’

Project details

  • Project acronym: SPEXOR
  • Participants: Slovenia (Coordinator), Germany, Belgium, Netherlands, Austria
  • Project N°: 687662
  • Total costs: € 3 989 025
  • EU contribution: € 3 989 025
  • Duration: January 2016 to December 2019

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