The Study
Bilateral Back Extensor Exosuit for multidimensional assistance and prevention of spinal injuries
This study watched 11 guys lift weights while wearing a special back suit and measured how their muscles and spine felt. It doesn't show if the suit actually stops injuries—it just shows what happened while they wore it in the lab.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
This study tested a special robot suit that hugs your back and helps you lift heavy things without straining your spine or muscles.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 520 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1This means workers could lift heavier or longer without getting as tired or risking back injury — like having invisible helper muscles.
- 2The suit reduced spine pressure by 18–24% and made back muscles work 15–22% less during lifting.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Science Robotics
Year
2024
Authors
Jae In Kim, Jaeyoun Choi, Junhyung Kim, Junkyung Song, Jaebum Park, Yong-Lae Park
Related Content
Claims (6)
Back-assist exosuits allow human workers to lift for longer periods and experience fewer injuries.
Wearing a bilateral back extensor exosuit during lifting tasks reduces spinal joint compression forces by 18–24% and lowers muscle activity in the upper and lower back muscles by 15–22% in healthy adult males.
A wearable exosuit designed for the back reduces uneven forces on the spine when lifting objects asymmetrically, compared to lifting without the device.
A wearable exosuit designed for the back reduces muscle activity in the lower and upper back muscles by 15–22% when healthy adult males lift objects in symmetric and asymmetric ways.
A wearable exosuit designed for the back uses motors and flexible joints to apply force in the same direction as the back muscles naturally work during lifting, reducing the physical load on the spine.
A wearable device called the Bilateral Back Extensor Exosuit was tested on 11 healthy men during lifting tasks, and no harmful effects were observed on muscle fatigue or spinal loading in a controlled lab setting.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.